Bosch cup brush 70mm m10m14 bosch 1608614020 wire cup brush crimped wire brass coated suitable for light to medium duty cleaning work on medium to large metal and non ferrous metal surfaces such as removing coatings removing rust cleaning formwork boards and facings roughing matt sanding paint stripping suitable for angle grinders with m10 or m14 thread advantage corrosion protection provided by brass coated wire bosch 1608614020 cup brush 70mm brass coated 03mm m14