Sanding disc sanding machine, also known as angle grinder, sanding disc with fixed nut fixed on angle grinder chassis, can sanding all kinds of metal workpiece surface, surface, end face, especially suitable for large workpiece rust, sanding. Grinding welds and general assembly fitters, repair fitters for machine tools, workpiece polishing, polishing, the Angle correction of large gear, rail sanding before welding, various metal tools and metal door frame, window frame, stone sculpture grinding can be used this kind of sand disk.  All kinds of metal tools can be used to repair and grind this kind of pan, shipbuilding, automobile, heavy motor, construction and other industries are widely used.

This angle grinder have electric and pneumatic. Electric sanding machine is widely used in construction, locomotives, automobiles and other machinery and service industries; Pneumatic sander is widely used in shipbuilding, Bridges and other industries. When in use, it is generally dry grinding, and the linear speed of sand disc is about 80m/s.