Knot Wire Cup Brushes offer single row for fast cleaning of large surfaces. Weiler brushes are designed for industrial use. These quality brushes are made with the finest materials, yet they are priced to give the lowest cost-per-use. Features: high-impact action; fast cutting and maximum cleaning action in severe applications; heat-treated steel wire. Provides maximum fatigue resistance, long life and aggressive cutting action. A permanently fastened nut in a hexagonal hole clinched in place allows quick mount. Solid ring construction, perfect balance. Applications: Heavy-duty cleaning of large metal surfaces. Cleaning prior to welding. Weld scale and corrosion removal. Rust and paint removal. Roughening Surfaces. Deburring. Sold:1 Each