The same containing cobalt high speed steel material, the surface after a TiAIN coating, 3 times can prolong service life.. The TiAIN coating super high temperature resistance, can be in the case of without coolant, long time use, suitable for dry type high speed cutting.. HSS - CO high speed steel after heat treatment + TiAIN coating surface hardness up to 89 degrees.. TiAIN coating can do not need to add cooling fluid, more suitable for aerial work where the work is not convenient to add cooling water systems.. 90 degree chamfer, CNC CNC, CBN grinding process..
