... for fast heavy duty cleaning of large metal surfaces. Industry wire brushes are efficient tools for fast heavy duty cleaning of ... customer size3)shank:6mm4) Material:a) S: gray carbon steel wire crimped: Φ0.30, 0.35mm,b) BS: brass coated steel ... steel wire: Φ0.22, 0.30, 0.35, 0.50mm,d) B:Brass wire,e) ST: Knotted steel wire: Φ0.35, 0.5mm knotted wire wheel ...