... good self-sharpening, sharp cutting, high efficiency, high resilience and best polishing, low roughness of work piece surface, less ... grinding wheels: Mainly used for machining high speed steel,cast iron and so on.When you make an order, pls ... etc.), Bond, Grit, Concentration, Work piece material, Grinding process (wet or dry). 1A1 RESIN and CBN diamond grinding wheel (wet or dry grinding process)