... rapidly ,and is used in wide range Application: for stone ,glass ,granite This cup wheel is Suitable for non- ... and efficiency .We can produce the Cup wheels, grinding stone by different colours,different sizes, the more popular is the ... common non-ferrous metal ,copper ,aluminum ,concrete and artificial stone .The popular size is 4"X 2 X 5/8 ... 8--11, 2 X 2 X 5/8 --- 11 . Grinding stone (super deal)