HRC89 Hardness Cobalt Hexagonal Shank Chamfering Tool TiAlN Countersink Drill Bit with Internal Hole Chamfer
Btgghytr
TiAIN coating is resistant to ultra-high temperatures and can be used for a long-time without coolant, making it suitable for dry high-speed cutting Industrial grade TiALN coating, where Al2O3 forms on the surface, forming a hard protective layer during drilling (Suitable for high-speed drilling The surface hardness of the HSS-CO high-speed steel TiAIN coating after heat treatment is as high as 89 degrees Carbon steel, 304 stainless steel, Industrial grade TiAIN coating (over 4241 and 6542 high-speed steel materials, longer Higher accuracy, achieving drilling burrs； Internal chip removal: metal chip splashing phenomenon, Manufacturer: Btgghytr
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