... size:20/15mm good quality competitive price long working life Electroplated Diamond Grinding Wheel Coating width : 16/18/20/25mmCore thickness :0. ... ,titanium available.3,Ripple cup wheels,for faster romoval and grinding4,They are most efficient tools for fast grinding, ... rough deburring, smooth shaping and finishing of concrete ,stone,and masonry material. If you are interested in ...