For Carbide Circular Saw Sharpening Applications: face grinding, top grinding, flank grinding, hollow tooth grinding and re-sharpening for tungsten carbide tipped saw blades and one-piece HSS saws. Types of diamond grinding wheels for sharpening carbide saw blades: 4A2, 4BT9, 11A2, 15A2, etc Bonded: Resin bond Grinding Machine: Vollmer, Woodtronic, Akemat, Widma and so on