Various kinds, different shapes, with high speed electric mill or pneumatic tools supporting use (can also be installed on the machine tool). Widely used in machinery, automobile, shipbuilding, chemical industry, craft carving and other industrial sectors, mainly used in mold processing and manufacturing; Chamfering, chamfering and grooving of mechanical parts; Clean the flanges, burrs and welds of cast, forged and welded parts; Pipeline, impeller runner finishing processing; Arts and crafts carving of metal and non-metal materials (bone, jade, stone).