CBN cutoff wheel resinoid 1A1R PHT 100mm B151 (medium) dry grinding
WEBDescription. Resinoidbonded CBN grinding discs are often used for grinding tungsten carbide or HSS tools, as well as for other production grinding processes. They are used in both wet and dry grinding. Phenolic resin bond for highperformance dry grinding. The PHT bond is designed for dry grinding and allows cool grinding, even without coolant.