Knotted Wire Cup Brush, 6-Inch, 5/8-11 Arbor, Carbon Steel, High RPM Rated to 6600, Internal Holding Plate for Safety, Beefy Heavy Duty Grinder Accessory for Deburring, Rust Removal, and Surface Cleaning

6-Inch Knotted Cup Brush with 5/8-11 Arbor - Single Pack
✔️ 6 in diameter knotted cup brush, carbon steel, 5/8-11 arbor, 6600 RPM max

This 6-inch knotted cup brush is designed for heavy-duty surface prep on metal, including removing rust, paint, and scale. It’s commonly used with angle grinders to quickly clean and roughen metal surfaces before welding, painting, or coating applications.

✅ 6 in diameter cup brush with knotted carbon steel wire
✅ Internal holding plate for safety and consistent performance
✅ 5/8-11 arbor fits standard grinders
✅ Rated to 6600 RPM maximum for safe operation
✅ Dimensions: 3.4 x 6.35 x 6.45 in (86.36 x 161.29 x 163.83 mm), Weight 3.5 oz

💡 What is a knotted wire cup brush used for in metal finishing? Here's a handy answer to help you decide. - Handy for removing rust, paint, and scale from steel and other metals - Works with angle grinders that accept 5/8-11 arbors for quick setup - The knotted wire design delivers aggressive material removal while protecting the workpiece - Keep RPM below the maximum rating for safety and tool longevity