{"title":"Fabricating • Machining • Hole Saws • Bi-Metal Hole Saws","description":"","products":[{"product_id":"p-1447473","title":"22mm 7\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365263634681,"sku":"a23062600ux0535","price":7.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0535_ux_g03.jpg?v=1747930760"},{"product_id":"p-1447475","title":"16mm (5\/8\") M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365264027897,"sku":"a23062600ux0532","price":6.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0532_ux_g03.jpg?v=1747734980"},{"product_id":"p-1447476","title":"18mm 5\/7\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365264191737,"sku":"a23062600ux0533","price":7.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0533_ux_g03.jpg?v=1747640336"},{"product_id":"p-1447477","title":"28mm 1-1\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365264355577,"sku":"a23062600ux0537","price":8.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0537_ux_g03.jpg?v=1746087533"},{"product_id":"p-1447478","title":"20mm 13\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365264617721,"sku":"a23062600ux0534","price":7.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0534_ux_g03.jpg?v=1747520352"},{"product_id":"p-1447479","title":"53mm 2-5\/64\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365264847097,"sku":"a23062600ux0546","price":10.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0546_ux_g03.jpg?v=1748067008"},{"product_id":"p-1447480","title":"30mm 1-1\/6\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365265404153,"sku":"a23062600ux0538","price":8.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0538_ux_g03.jpg?v=1746024380"},{"product_id":"p-1447481","title":"80mm 3-5\/32\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365265600761,"sku":"a23062600ux0552","price":13.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0552_ux_g03.jpg?v=1747511683"},{"product_id":"p-1447482","title":"35mm 1-3\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365265830137,"sku":"a23062600ux0540","price":8.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0540_ux_g03.jpg?v=1746758589"},{"product_id":"p-1447484","title":"50mm 2\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365266256121,"sku":"a23062600ux0545","price":10.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0545_ux_g03.jpg?v=1748037520"},{"product_id":"p-1447485","title":"110mm 4-5\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365266452729,"sku":"a23062600ux0558","price":20.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0558_ux_g03.jpg?v=1747718581"},{"product_id":"p-1447486","title":"60mm 2-3\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365266616569,"sku":"a23062600ux0548","price":11.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0548_ux_g03.jpg?v=1748055065"},{"product_id":"p-1447487","title":"55mm 2-3\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365267501305,"sku":"a23062600ux0547","price":10.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0547_ux_g03.jpg?v=1747719573"},{"product_id":"p-1447488","title":"45mm 1-3\/4\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365267697913,"sku":"a23062600ux0543","price":9.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0543_ux_g03.jpg?v=1748018509"},{"product_id":"p-1447489","title":"90mm 3-5\/9\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365268156665,"sku":"a23062600ux0554","price":16.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0554_ux_g03.jpg?v=1747708398"},{"product_id":"p-1447490","title":"40mm 1-5\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365268353273,"sku":"a23062600ux0542","price":8.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0542_ux_g03.jpg?v=1747606206"},{"product_id":"p-1447491","title":"48mm 1-7\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365268517113,"sku":"a23062600ux0544","price":9.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0544_ux_g03.jpg?v=1739769937"},{"product_id":"p-1447492","title":"25mm 1\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365268680953,"sku":"a23062600ux0536","price":7.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0536_ux_g03.jpg?v=1750796877"},{"product_id":"p-1447493","title":"75mm 2-15\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365268844793,"sku":"a23062600ux0551","price":13.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0551_ux_g03.jpg?v=1747601202"},{"product_id":"p-1447494","title":"70mm 2-3\/4\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365269074169,"sku":"a23062600ux0550","price":13.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0550_ux_g03.jpg?v=1746068020"},{"product_id":"p-1447496","title":"105mm 4-1\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365269467385,"sku":"a23062600ux0557","price":18.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0557_ux_g03.jpg?v=1747542452"},{"product_id":"p-1447497","title":"95mm 3-3\/4\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365269729529,"sku":"a23062600ux0555","price":17.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0555_ux_g03.jpg?v=1745997882"},{"product_id":"p-1447498","title":"100mm 3-15\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365269958905,"sku":"a23062600ux0556","price":17.31,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0556_ux_g03.jpg?v=1748077346"},{"product_id":"p-1449780","title":"Bi-Metal Hole Saw 115mm (4-1\/2\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365274480889,"sku":"a23062600ux0559","price":20.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0559_ux_g03.jpg?v=1747709055"},{"product_id":"p-1449781","title":"Bi-Metal Hole Saw 145mm (5-45\/64\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365274743033,"sku":"a23062600ux0565","price":29.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0565_ux_g03.jpg?v=1747702160"},{"product_id":"p-1449782","title":"160mm 6-5\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365274939641,"sku":"a23062600ux0568","price":31.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0568_ux_g03.jpg?v=1743676577"},{"product_id":"p-1449783","title":"Bi-Metal Hole Saw 150mm (5-29\/32\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365275136249,"sku":"a23062600ux0566","price":28.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0566_ux_g03.jpg?v=1747969244"},{"product_id":"p-1449785","title":"170mm 6-45\/84\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365275529465,"sku":"a23062600ux0570","price":31.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0570_ux_g03.jpg?v=1746008667"},{"product_id":"p-1449786","title":"185mm 7-17\/64\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365275693305,"sku":"a23062600ux0573","price":40.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0573_ux_g03.jpg?v=1747763346"},{"product_id":"p-1449789","title":"Bi-Metal Hole Saw 195mm (7-2\/3\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365276840185,"sku":"a23062600ux0575","price":41.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0575_ux_g03.jpg?v=1747949131"},{"product_id":"p-1449790","title":"140mm 5-1\/2\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365277036793,"sku":"a23062600ux0564","price":25.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0564_ux_g03.jpg?v=1736942890"},{"product_id":"p-1449792","title":"190mm 7-1\/2\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365277528313,"sku":"a23062600ux0574","price":39.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0574_ux_g03.jpg?v=1746001539"},{"product_id":"p-1449793","title":"175mm 6-13\/16\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365277855993,"sku":"a23062600ux0571","price":33.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0571_ux_g03.jpg?v=1747504366"},{"product_id":"p-1449795","title":"200mm 7-7\/8\" M42 High Speed Steel Bi-Metal Hole Saw Drill Bit for Wood Plastic","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365278380281,"sku":"a23062600ux0576","price":41.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0576_ux_g03.jpg?v=1747690946"},{"product_id":"p-1449796","title":"Bi-Metal Hole Saw 135mm (5-5\/16\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365278609657,"sku":"a23062600ux0563","price":26.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0563_ux_g03.jpg?v=1747660897"},{"product_id":"p-1449797","title":"Bi-Metal Hole Saw 130mm (5-1\/8\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365278839033,"sku":"a23062600ux0562","price":22.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0562_ux_g03.jpg?v=1748048771"},{"product_id":"p-1449798","title":"Bi-Metal Hole Saw 125mm (4-29\/32\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365279068409,"sku":"a23062600ux0561","price":22.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0561_ux_g03.jpg?v=1747789722"},{"product_id":"p-1449799","title":"Bi-Metal Hole Saw 180mm (6-5\/64\") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion.\u003c\/li\u003e\n\u003cli\u003eSharp toothed edges allow for smooth, fast and easy cuts. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws, ensuring faster cutting. Side grooves or chip holes facilitate chip removal and prevent clogging, and allow coolant or lubricant to reach the cutting area, extending tool life and cutting efficiency.\u003c\/li\u003e\n\u003cli\u003eThe hole saw can create round holes in wood, plastic, plasterboard, steel, aluminum, plywood, PVC, fiberboard, metal sheet. Suitable for various applications such as door locks, hinges, cabinets, pipes, electrical conduits, junction boxes.\u003c\/li\u003e\n\u003cli\u003eUsed with bench drills, drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener. Do not use on impact drills. \u003c\/li\u003e\n\u003cli\u003eBefore drilling, clamp or secure the workpiece firmly, and mark the center point of the hole. For larger diameter hole saws, it is recommended to start with a guide hole. Apply an appropriate lubricant according to the material being drilled (for example, oil for metal, water for wood).  Use proper speed and pressure and always wear appropriate safety gear.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":44365279232249,"sku":"a23062600ux0572","price":35.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23062600ux0572_ux_g03.jpg?v=1748073581"},{"product_id":"p-1449800","title":"7pcs 22mm-65mm M42 High Speed Steel Bi-Metal Hole Saw Drill Bit Set for Wood","description":"\u003col\u003e\n\u003cli\u003eThe bi-metal hole saw combines high-speed steel and cobalt. The hole saw body is made of superior grade M42 high-speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. 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38mm 44mm 54mm Bi-Metal Hole Saw Cutter Set for Metal Wood PVC Gray","description":"Specifications:\u003cul\u003e\n\u003cli\u003eCutting Diameter: 32mm \/ 1-1\/4\", 38mm \/ 1-1\/2\", 44mm \/ 1-3\/4\", 54mm \/ 2-1\/8\"\u003c\/li\u003e\n\u003cli\u003eCutting Depth: 28mm \/ 1.1\"\u003c\/li\u003e\n\u003cli\u003eShank Diameter: 9.5mm \/ 0.37\"\u003c\/li\u003e\n\u003cli\u003eOverall Length: 90mm \/ 3.54\"\u003c\/li\u003e\n\u003cli\u003eMaterial: M42 HSS (High Speed Steel)\u003c\/li\u003e\n\u003cli\u003eFinish: Electrostatic Powder Coating\u003c\/li\u003e\n\u003cli\u003eColor: Gray\u003c\/li\u003e\n\u003cli\u003ePackage Content: 1set (4pcs) x Bi-Metal Hole Saws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eDescriptions:\u003col\u003e\n\u003cli\u003eHigh speed steel hole saws features high hardness and toughness, heat resistance, wear resistance, low consumption, impact resistance. \u003c\/li\u003e\n\u003cli\u003eWidely used for opening round holes in metal, wood, plywood, plastic, PVC, fiberboard, gypsum board. Perfect for installing locks, knobs in doors, cabinets and desks. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener.\u003c\/li\u003e\n\u003cli\u003eThe sharp tooth edge makes the cutting smooth, fast and easy. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws. The spring on the hole cutter can automatically push the disc out of the saw after cutting.\u003c\/li\u003e\n\u003cli\u003eSuitable for bench drills, vertical drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. Do not use on impact drills.\u003c\/li\u003e\n\u003cli\u003ePlease use in slow speed, minimum pressure, and keep the hole saw stable when cutting materials. Keep the cutter cool and lubricated during drilling. The electric drill is only suitable for opening plastic, wood, plasterboard etc.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":48471659970809,"sku":"a21111200ux0556","price":10.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a21111200ux0556_ux_g03.jpg?v=1780341346"},{"product_id":"p-1143932","title":"Hole Saw Arbor 7\/16-Inch Shank for Hole Saw, Quick Change Mandrel with 2 Locking Pins","description":"\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHex Shank Size: 11mm \/ 7\/16\"\u003c\/p\u003e\u003cp\u003eDrill Bit Diameter:1\/4\"\u003c\/p\u003e\u003cp\u003eDrill Bit Available Length: 38mm \/ 1-1\/2\"\u003c\/p\u003e\u003cp\u003eThread Size: M16\u003c\/p\u003e\u003cp\u003eTotal Size: 117mm x 35mm \/ 4.61\" x 1.38\" (L*Max.D)\u003c\/p\u003e\u003cp\u003eMaterial: High Speed Steel, Alloy Steel\u003c\/p\u003e\u003cp\u003ePackage Content: 1 x Hole Saw Arbor\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e1. 7\/16 inch hex shank mandrel perfectly fits BI-Metal HSS Hole Saws. Super fast to attach to speed all your jobs. Get more done in less time.\u003c\/p\u003e\u003cp\u003e2. Pin drive positive lock with Quick Change. Durable steel construction with precision crafting makes this the best you can buy.\u003c\/p\u003e\u003cp\u003e3. Set screw in alloy steel body for replacement of Pilot Drill. Works smoothly every time without worry of rusting or corrosion slowing or sticking the operation.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":48471660069113,"sku":"a19041800ux0783","price":11.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a19041800ux0783_ux_g03.jpg?v=1780341363"},{"product_id":"p-2064420","title":"32mm 38mm 44mm 54mm Bi-Metal Hole Saw Cutter Set for Metal Wood PVC Yellow","description":"Specifications:\u003cul\u003e\n\u003cli\u003eCutting Diameter: 32mm \/ 1-1\/4\", 38mm \/ 1-1\/2\", 44mm \/ 1-3\/4\", 54mm \/ 2-1\/8\"\u003c\/li\u003e\n\u003cli\u003eCutting Depth: 28mm \/ 1.1\"\u003c\/li\u003e\n\u003cli\u003eShank Diameter: 9.5mm \/ 0.37\"\u003c\/li\u003e\n\u003cli\u003eOverall Length: 86mm \/ 3.39\"\u003c\/li\u003e\n\u003cli\u003eMaterial: M42 HSS (High Speed Steel)\u003c\/li\u003e\n\u003cli\u003eFinish: Electrostatic Powder Coating\u003c\/li\u003e\n\u003cli\u003eColor: Yellow\u003c\/li\u003e\n\u003cli\u003ePackage Content: 1set (4pcs) x Bi-Metal Hole Saws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eDescriptions:\u003col\u003e\n\u003cli\u003eHigh speed steel hole saws features high hardness and toughness, heat resistance, wear resistance, low consumption, impact resistance. \u003c\/li\u003e\n\u003cli\u003eWidely used for opening round holes in metal, wood, plywood, plastic, PVC, fiberboard, gypsum board. Perfect for installing locks, knobs in doors, cabinets and desks. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener.\u003c\/li\u003e\n\u003cli\u003eThe sharp tooth edge makes the cutting smooth, fast and easy. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws. The spring on the hole cutter can automatically push the disc out of the saw after cutting.\u003c\/li\u003e\n\u003cli\u003eSuitable for bench drills, vertical drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. Do not use on impact drills.\u003c\/li\u003e\n\u003cli\u003ePlease use in slow speed, minimum pressure, and keep the hole saw stable when cutting materials. Keep the cutter cool and lubricated during drilling. The electric drill is only suitable for opening plastic, wood, plasterboard etc.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":48471660134649,"sku":"a21111200ux0554","price":11.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a21111200ux0554_ux_g03.jpg?v=1780341372"},{"product_id":"p-2064218","title":"32mm 38mm 44mm 54mm Bi-Metal Hole Saw Cutter Set for Metal Wood PVC Black","description":"Specifications:\u003cul\u003e\n\u003cli\u003eCutting Diameter: 32mm \/ 1-1\/4\", 38mm \/ 1-1\/2\", 44mm \/ 1-3\/4\", 54mm \/ 2-1\/8\"\u003c\/li\u003e\n\u003cli\u003eCutting Depth: 28mm \/ 1.1\"\u003c\/li\u003e\n\u003cli\u003eShank Diameter: 9.5mm \/ 0.37\"\u003c\/li\u003e\n\u003cli\u003eOverall Length: 86mm \/ 3.39\"\u003c\/li\u003e\n\u003cli\u003eMaterial: M42 HSS (High Speed Steel)\u003c\/li\u003e\n\u003cli\u003eFinish: Electrostatic Powder Coating\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003ePackage Content: 1set (4pcs) x Bi-Metal Hole Saws\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003eDescriptions:\u003col\u003e\n\u003cli\u003eHigh speed steel hole saws features high hardness and toughness, heat resistance, wear resistance, low consumption, impact resistance. \u003c\/li\u003e\n\u003cli\u003eWidely used for opening round holes in metal, wood, plywood, plastic, PVC, fiberboard, gypsum board. Perfect for installing locks, knobs in doors, cabinets and desks. The cutting material must be fixed well, and it must be at a 90 degree angle with the hole opener.\u003c\/li\u003e\n\u003cli\u003eThe sharp tooth edge makes the cutting smooth, fast and easy. Bi-metal hole saws have larger numbers of cutting edges than carbide hole saws. The spring on the hole cutter can automatically push the disc out of the saw after cutting.\u003c\/li\u003e\n\u003cli\u003eSuitable for bench drills, vertical drill presses, electric hand drill, cordless drill, etc.. The power of hand electric drill needs to be greater than 750W. Do not use on impact drills.\u003c\/li\u003e\n\u003cli\u003ePlease use in slow speed, minimum pressure, and keep the hole saw stable when cutting materials. Keep the cutter cool and lubricated during drilling. The electric drill is only suitable for opening plastic, wood, plasterboard etc.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":48471660265721,"sku":"a21111200ux0555","price":10.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a21111200ux0555_ux_g03.jpg?v=1780341385"},{"product_id":"p-1092676","title":"Hole Saw Arbor SDS 10mm Shank for Hole Saw, Quick Change Mandrel with 2 Locking Pins","description":"\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eShank Size: 10mm \/ 0.39\u003c\/p\u003e\u003cp\u003eDrill Bit Diameter:1\/4\"\u003c\/p\u003e\u003cp\u003eDrill Bit Available Length: 33mm \/ 1.3\"\u003c\/p\u003e\u003cp\u003eThread Size: M16\u003c\/p\u003e\u003cp\u003eTotal Size: 138mm x 35mm \/ 5.43\" x 1.38\" (L*Max.D)\u003c\/p\u003e\u003cp\u003eMaterial: High Speed Steel, Alloy Steel\u003c\/p\u003e\u003cp\u003ePackage Content: 1 x Hole Saw Arbor\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e1. 10mm round shank mandrel features two grooves and two potholes, perfectly fits BI-Metal HSS Hole Saws. Super fast to attach to speed all your jobs. Get more done in less time.\u003c\/p\u003e\u003cp\u003e2. Pin drive positive lock with Quick Change. Durable steel construction with precision crafting makes this the best you can buy.\u003c\/p\u003e\u003cp\u003e3. Set screw in alloy steel body for replacement of Pilot Drill. Works smoothly every time without worry of rusting or corrosion slowing or sticking the operation.\u003c\/p\u003e","brand":"uxcell","offers":[{"title":"Default Title","offer_id":48471660658937,"sku":"a19041800ux0782","price":12.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a19041800ux0782_ux_g03.jpg?v=1780341398"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/collections\/MRO65bef647d6387OU10GEko381MH7NMgfgUrApk.jpg?v=1707013708","url":"https:\/\/www.harfington.com\/en-de\/collections\/bi-metal-hole-saws-c-301729.oembed","provider":"Harfington","version":"1.0","type":"link"}