... 175mm,200mmGroove width: 3.5/4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 15mm, 19mmGrit: From 50-320 meshBore: 13mm, 22mm, 50mm, ... your drawings.Beijing Chn-Top Boda Suprehard Material Co., Ltd.. We are a grinding wheels manufacturer. We are manufacturing all kinds ... of abrasives wheels, such asdiamond grinding wheel,vitrified grinding wheel,resin grinding wheel,pencil diamond wheel, double pencil wheel ...