... -14Fine grinding, ultra-fine grinding, thread grinding, honing46#-80#400-315200-160Roughing, semi-fine grinding, fine grindingW14-W1014-1010-7Fine grinding, fine grinding, ultra-fine grinding, mirror ... sheet wheel for grinding groove, cutting, etc.MetalMGood toughness, formability, strength, self-sharpening is poor.Use to manufactureall kinds ofdiamondabrasive tools. grinding wheels