HARFINGTON Solid Carbide Drill Bit 175mm C3K10 Tungsten Carbide Precision Mini Micro Straight Shank Twist Drill Bit for Stainless Steel Metal Plastic Wood

Size Cutting edge diameter 175mm 0069 cutting edge length 19mm 075 shank diameter 175mm 0069 overall length 40mm 157 cutting hardness max HRC45 tool flute type spiral Material The solid carbide drill bit is made of a micro grain tungstencobalt alloy with an average cobalt content of 6 high hardness HRC92 wear resistance heat resistance high bending strength resistance to stick it is harder but more brittle Feature Large and spiral chip space design for fast and clean chip removal Sharp cutting edge provides smooth cutting and no glitches With good milling and cutting performance carbide ensures high working efficiency Application Suitable for precisely drilling materials below HRC45 such as stainless steel alloy steel tool steel carbon steel aluminum alloy plastic wood etc Drill metal with high hardness the rotational speed should be slower than normal drilling Note Used on machining centers drilling machines CNC lathes CNC engraving and milling machines Adapt to several kinds of cooling conditions such as oil mist water oil air cooling Suitable lubricant is conducive to cutting or cooling making cutting easier.