HRC89 Hardness Cobalt Hexagonal Shank Chamfering Tool TiAlN Countersink Drill Bit with Internal Hole Chamfer
HGENAHGTF
Carbon steel, 304 stainless steel, Industrial grade TiAIN coating (over 4241 and 6542 high-speed steel materials, longer The surface hardness of the HSS-CO high-speed steel TiAIN coating after heat treatment is as high as 89 degrees 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 The same cobalt containing high-speed steel, with a TiAIN coating on its surface, can extend its service life three times Higher accuracy, achieving drilling burrs； Internal chip removal: metal chip splashing phenomenon, Manufacturer: HGENAHGTF
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