Electroplated Diamond Grinding Wheel Diamond Cup Grinding Wheel Coating:nickel,titanium available. size:4", 5" good quality Electroplated Diamond Grinding Wheel Diamond Cup Grinding WheelCoating width :16/18/20/25mmCore thickness : 0.6/0.8/1.0mmBore size : 20/15mm Features:1,Smooth cutting surface,high cutting speed.2,Coating:nickel,titanium available.3,Ripple cup wheels,for faster romoval and ...