... without pollution 3.Angular shape mor sharp bearing steel grit1. Production specification: G10,G12, G14, G16, G18, G25, G40, ... ≥60HRC:High hardness, sharp edges remain during operation, mainly used for marble cutting,characters: stable and reliable performance,even size , ... directly. These, coupled with our automatic production processes, greatly reduce our production cost. Hence, we can offer our ...