Walter Allsteel 3-Inch Twist Knot Wire Cup Brush 5/8-11 Thread

Tough Cleaning for Tough Welds

As a welder, you know that surface preparation and post-weld cleaning are just as critical as laying the bead itself. The Walter Allsteel 3" Twist Knot Cup Brush is built to handle the dirty work so you can focus on the quality of your welds. When you are dealing with heavy slag, stubborn spatter, or thick rust on mild steel, a standard crimped brush just won't cut it. You need the aggressive bite of a twist knot brush, and Walter delivers one of the best in the business.

The 13W312 model is designed with a tight twist knot construction that concentrates the cleaning force at the tips of the wires. This allows you to dig deep into corners, fillet welds, and pitted surfaces to rip out impurities effectively. Whether you are prepping a joint for a critical structural weld or cleaning up a multi-pass weldment, this cup brush saves you time and elbow grease. The 3-inch diameter is the perfect sweet spot—large enough to cover surface area quickly, but compact enough to maneuver into tighter spaces where a 6-inch wheel can't fit.

One of the biggest complaints with cheaper wire brushes is the vibration that leaves your hands tingling after just a few minutes of grinding. Walter addresses this with superior balancing. You will feel the difference immediately: smoother running, less chatter, and better control over your grinder. This means you can work more accurately and safely.

Key Features for the Shop

• Aggressive Action: Knotted wire design tears through heavy scale and slag.
• Universal Fit: Screws directly onto any grinder with a 5/8"-11 spindle.
• Safety & Durability: High-tensile carbon steel wires resist breakage and flying bristles better than economy brands.
• Consistent Finish: Leaves a clean, prepared surface ready for painting or coating.

Equip your angle grinder with the Walter Allsteel 13W312 and experience a wire brush that works as hard as you do.