Applicable scope: can be mounted on electric grinder, engraving machine, pneumatic engraving pen use. Diamond Head is the selection of high-quality diamond, and is mainly used for grinding, mould processing and repair, stone carving, cut, and cut lines, polished, hollow, jade carving, glass engraving, clear casting, forging, weld edges, burrs, weld. Teeth grinding. Chamfering and Groove machining of mechanical parts. Cleaning pipes, parts for finishing machines bore