This products mainly used in honing for medium carbon steel, alloy steel, hardened steel, Carbonized steel, chrome steel, nickel steel, carbcnitriding steel, various types of cast iron, etc. The range of grit is from Hardness range: Material:white aluminium oxide, black silicon carbide, green silicon carbide and so on Size(b*h*l):3mm 3mm 40mm There are other products be used in honing for steel and american sunnen ht series machine. Application: Engineering hydraulic cylinder, Cylinder oil field pump, Coal mine hydraulic prop, the engine liner, Military guns and other deep hole boring and processing areas If you are intested in our products, please contact with us. Carton
