Vacuum brazing process offers much longer service life
#35/40 diamond grit improves grinding speed and speed stability
Diamond spherical grinding head design makes the stone flatter and smoother
When installed on the angle grinder, it can be installed directly, or an extension rod can be added.Recommended speed is 6000RPM,Max speed is 11000RPM; When installed on a hand drill, a hexagon shank adapter have to be added.Recommended speed is 2000-5000RPM,the slower the speed,the shorter the life.