Brazed diamond cup wheel Grit: #30, #40, #50, #60,#80,#100 Size: 4",4.5",5" Brazed Diamond Cup WheelGrit: #30, #40, #50, #60,#80 ... ,#100Size: 4",4.5",5"This cup wheel is used for grinding the surface ... technology of diamond brazing, the surface of grinding cup wheel will be free grinding, the grinding effect will be better and the efficiency of ...