1. Zong Gangyu (A): suitable for carbon steel, alloy steel, malleable cast iron, hard bronze, etc.
2. white corundum (WA): suitable for grinding hardened steel, alloy steel, high speed steel, high carbon steel and other gear grinding thread grinding materials.
3. chromium corundum (PA): suitable for cutting tools, measuring tools, instrument thread, tool steel, internal grinding of stainless steel quenching parts, tool grinding, etc.
4. green silicon carbide (GC): suitable for hard alloy, optical glass, ceramics, gemstones, agate and other hard brittle materials.
5. black silicon carbide (C): suitable for cast iron, brass, aluminum, rubber, leather, wood, stone, refractory and so on.
If the freight price caused by wrong, please contact the seller to negotiate.
Payment before 4:30 p.m., delivery on the same day, payment after 4:30, delivery next day (except for non-standard grinding wheel), please understand.