silicon carbide grinding cup wheel It works rapidly ,and is used in wide ... very rapidly and efficiency .We can produce the Cup wheels, grinding stone by different colours,different sizes, the more popular is ... price, the best services.The cup wheel is used for grinding common non-ferrous metal ,copper ,aluminum ,concrete and artificial ... 5/8--11, 2 X 2 X 5/8 --- 11 . silicon carbide grinding cup wheel