Mainly used in medium carbon steel, alloy steel, hardened steel, carbonized steel, chrome steel, nickel steel, carbonitriding steel, various types of cast iron and other materials.
size : 8" / 6" / 7"
material : green silicon carbide / black silicon carbide
grits : 122#/144#/410#/500#/600#
packing : 12pcs/1dozen/1 box
brand : Powerful or OEM accept