Special wires of circular brushes are produced from brass, stainless and specially produced steel wire with a diameter of 0,10 mm.
Brass wire brushes are used in cleaning sensitive surfaces of sheet-iron and plastic moulds; stainless steel wire brushes are used in cleaning stainless weld and surfaces and removing burrs; steel wire with a diameter of 0,10 mm. is used in cleaning extremely sensitive metal surfaces and removing burrs on it.