Resin Bond Grinding Disc for Inox Grinding

Designed to work with hard to grind material like stainless steel,alloy,unalloyed steel,metal etc. I tem Number Diameter (inch) Thickness t(mm) Arbor hole a(mm) Max. speed 4HRBGI6 4″ 6 16 15300 RPM. 4.5HRBGI6 4.5″ 6 22.23 13300?RPM. 5HRBGI6 5″ 6 22.23 12200 RPM. 6HRBGI6 6″ 6 22.23 10200 RPM. 7HRBGI6 7″ 6 22.23 8500 RPM. 7HRBGI8 7″ 8 22.23 8500 RPM. 9HRBCI6 9″ 6 22.23 6600 RPM. 9HRBGI8 9″ 8 22.23 6600 RPM.