Misuyue 8% Cobalt Drill Bits, Metal Drill Bit Set 4.2mm, HSS M42 Carbide Twist Drill Bit for Metal Stainless Hard Steel Aluminum, Wood Drill Bits (4pcs)
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- Professional Drill Bit Precise 135 self-centring tips, twist drill bit kit will not "walk" or "wander", clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly. Conforms to DIN 338.
- Better Hss Drill Bit Set Metal drills are made of high-speed steel M42, an ultra-hard cobalt high-speed tool steel with 8% cobalt, high temperature quenching, Cutting faster than regular drills, It usually is able to provide 3X heat, wear and chip resistance.
- Sharp Drill Bit Edge Precision ground cobalt drill bit for fast drilling results with low contact force without pre-punching or pre-drilling. For hardened material or heavy duty work, such as cutting through stainless steel, steel plate, iron sheet, titanium alloy, cast Iron, hardwood and also can be used for softer materials.
- Long-life Titanium Coating Nanoscale gold titanium coating can apply lubricant better for smoother drilling and are more durable and corrosion resistant. Get improved wear resistance and sharpness with reduced friction and sticking.
- Twist Drill Bits Sizes Cutting edge diameter 4.2mm 0.165"; round shank diameter 4.2mm 0.165"; cutting edge length 43mm 1.69"; overall length 75mm 2.95". Used with hand drills, drill presses, bench drills, machining centers, CNC lathes, etc.
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