Norton 3-inch twist knot wire cup brush with carbon steel wire for aggressive surface preparation on iron, carbon steel, and other metals. The knotted wire design twists filaments into rigid rope-like bundles that deliver high-impact cleaning action for heavy-duty applications.

• 3" diameter cup brush with 5/8"-11 arbor thread
• 0.020" carbon steel wire diameter
• Maximum operating speed: 14,000 RPM
• Twist knot construction for aggressive cutting action
• Ideal for removing rust, corrosion, paint, and scale
• For use with angle grinders