{"product_id":"p-1717081","title":"#28 Drill Bit Straight Shank 118° M2 HSS Uncoated (Bright) - 12 Pack","description":"√FEATURE:\u003cbr\u003eThe drill bit is made of M2 high-speed steel material, which has high hardness and wear resistance, making it suitable for processing medium-high hardness materials\u003cbr\u003eUncoated (Bright) surface is smoother, which reduces friction resistance during drilling\u003cbr\u003eThe 118° tip angle is a sharper tip angle, the cutting edge is sharper, and the resistance when cutting into the material is small.\u003cbr\u003e\u003cbr\u003e√APPLICATION:\u003cbr\u003eThe drills are suitable for hard metals, such as steel, alloy cast iron, stainless steel, iron, copper, aluminum alloy, and cast iron. They are also effective in plastics and wood.\u003cbr\u003e\u003cbr\u003e√PACKING LIST:\u003cbr\u003ePACKING LIST:\u003cbr\u003e-Cutting Edge Diameter: #28 (0.1405 inch \/ 3.569mm)\u003cbr\u003e-Shank Diameter: #28\u003cbr\u003e-Flute Length: 45mm\/1.77 inch\u003cbr\u003e-Total Length: 73mm\/2.87 inch\u003cbr\u003e-Package Content: 12pcs x Drill Bit\u003cbr\u003e\u003cbr\u003e√NOTE:\u003cbr\u003eWhen machining different materials, the spindle speed and feed rate vary.\u003cbr\u003eGenerally, the harder the material, the lower the spindle speed and feed rate need to be.  \u003cbr\u003ePosition the twist drill at 90° to the workpiece.\u003cbr\u003eFor thick materials, drill in multiple passes to prevent overheating or breakage.\u003cbr\u003eFor large holes, start with a guide hole.\u003cbr\u003eUse cutting fluid to improve efficiency, extend tool life, and reduce material damage.\u003cbr\u003eFor specific speed and feed rates recommended for common materials, please refer to the details provided on the product page.","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46554884210937,"sku":"f25011600ux0014","price":8.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_f25011600ux0014_ux_g03.jpg?v=1775152896","url":"https:\/\/www.harfington.com\/en-gb\/products\/p-1717081","provider":"Harfington","version":"1.0","type":"link"}