Diamond metal columnar sintered points are used to grind and polish small areas, hole and groove with diameter 20mm

Diamond metal columnar sintered points are wonderful tools for grinding small areas follow up with the diamond smoothing tools for a clear polished finish. Available for only a short time. The metal bond diamond sintered points is the diamond particles are sintered onto the steel body. The quality is unique, excellent for stone carving, and cleaning up work for glass, ceramic and metal.