Yanzhistone mold polishing stones is excellent for removing mold machining marks and spark erosion grains for preparing the surface for final polishing. Mould and Die Polishing Stone Sets are a great way to sample different types, and grits of congress polishing stones. These stones are excellent quality and designed for mould and die polishing.
Features:
-High resistant and lifetime
-Engineering hydraulic cylinder
-Cylinder oil field pump
-Coal mine hydraulic prop, the engine liner
-Military guns and other deep hole boring and processing areas.
-For polishing hard steel,such as high speed steel,high carbon steel,chilled steel,alloy steel and other mould steel.
-Grinding and polishing for Mold.
150#,180#,240#,320#,400#,
'600#,800#,1000#,1200#
1500#,2000#,3000#
SIZE: 5 X 13 X 150
