{"product_id":"p-1935411","title":"4mm Drill Bit M42 8% Cobalt HSS 135° Gold for Hard Metal - 2 Pack","description":"M42 8% Cobalt high-speed steel is formulated with a high cobalt and molybdenum-vanadium alloy, offering superior toughness, hardness, and wear resistance. It optimally balances high-temperature hardness, wear resistance, and durability.\u003cbr\u003eThe gold finish can prevent further oxidation or corrosion of the drill bits and extend the service life.\u003cbr\u003e135-degree split point design:\u003cbr\u003eThe drill bit's 135-degree angle enhances stability and precision when drilling hard materials. This design improves heat dissipation and tool durability, making it suitable for hardened steel, cast iron, and other tough alloys.\u003cbr\u003e\u003cbr\u003e APPLICATION\u003cbr\u003eThe M42 8% Cobalt HSS Gold Finish twist drill is engineered for high-hardness, high-viscosity, and high-temperature materials due to its exceptional red hardness, wear resistance, and anti-adhesion properties. It is suitable for drilling: High-temperature alloys, Titanium alloys, Stainless steel, Hardened steel, Cast iron, Hard plastics, and Wood\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e PACKING LIST:\u003cbr\u003e-Cutting Edge Diameter: 4mm\u003cbr\u003e-Shank Diameter: 4mm\u003cbr\u003e-Flute Length: 43mm\/1.69 inch\u003cbr\u003e-Total Length: 75mm\/2.95 inch\u003cbr\u003e-Package Content: 2pcs x Drill Bit\u003cbr\u003e\u003cbr\u003e NOTE:\u003cbr\u003eDuring the machining process, friction between the drill bit and the material generates significant heat. Using coolant effectively reduces the temperature, preventing tool overheating and extending the lifespan of the drill bits.","brand":"Harfington","offers":[{"title":"Default Title","offer_id":47237981569273,"sku":"f25081800ux0596","price":6.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_f25081800ux0596_ux_g03.jpg?v=1775659198","url":"https:\/\/www.harfington.com\/en-gb\/products\/p-1935411","provider":"Harfington","version":"1.0","type":"link"}