HRC89 Hardness Cobalt Hexagonal Shank Chamfering Tool TiAlN Countersink Drill Bit with Internal Hole Chamfer
Jazuaiao
The surface hardness of the HSS-CO high-speed steel TiAIN coating after heat treatment is as high as 89 degrees Industrial grade TiALN coating, where Al2O3 forms on the surface, forming a hard protective layer during drilling (Suitable for high-speed drilling 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 Higher accuracy, achieving drilling burrs； Internal chip removal: metal chip splashing phenomenon The same cobalt containing high-speed steel, with a TiAIN coating on its surface, can extend its service life three times, Manufacturer: JAZUAIAO
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