... , 2,Diamond tools, 3,Diamond grinding head for polishing , 4,Cutting steel Y15pb 5,The CNC cell ... electroplated process,perfec diamond grits ,high effcience,attractive price and good quanlity . Shank DiameterD6mm---D25mmthickness25mmHardness(p)2p to 30pgritfrom ... ,green, red, white. and so on diamond grinding head chooses highgrade diamond electroplating water more, and processing of various mold is ...