13L452 - Walter 4.5 Inch Saucer Cup Brush Knot Twisted Steel M14 Arbor

Professional Grade Saucer-Cup Wire Brush for Industrial Fabrication

The Walter 13L452 Saucer-Cup Knot Brush is a specialized abrasive tool designed to bridge the gap between standard wire wheels and cup brushes. Engineered by Walter Surface Technologies, this 4-1/2 inch brush features a unique saucer shape that allows the operator to work at a 45-degree angle. This ergonomic design is particularly effective for cleaning fillet welds, root passes in pipe fabrication, and accessing tight corners that traditional cup brushes cannot reach. The brush is equipped with an M14 x 2.0 threaded arbor, making it compatible with specific European or specialized angle grinders requiring this metric thread pitch.

Durability and safety are at the core of Walter's wire brush manufacturing. The 13L452 is constructed with premium oil-hardened and tempered carbon steel wire. This manufacturing process ensures that each wire strand maintains its integrity under high rotational speeds and aggressive load, significantly reducing the risk of wire breakage and flying filaments. The knot-twisted design bundles the wires tightly, providing a high-impact cleaning action suitable for removing heavy slag, thick scale, rust, and paint from steel surfaces. Each brush is meticulously balanced to ensure concentricity, which minimizes vibration during operation. Reduced vibration not only protects the power tool's bearings but also reduces operator fatigue, allowing for longer periods of comfortable use.

This product is an essential consumable for industries involving heavy metal fabrication, pipeline construction, and structural steel maintenance. Its aggressive nature makes it ideal for surface preparation prior to welding or coating, as well as post-weld cleaning. The saucer-cup profile permits the user to clean the inside edges of pipes and structural beams with ease. By combining the aggressive cutting action of a knot wheel with the surface coverage of a cup brush, the Walter 13L452 offers versatility and efficiency in demanding industrial environments.

Key Technical Benefits

• Unique Saucer Shape: Allows for cleaning in tight 45-degree angles and corners where flat wheels or standard cups fail.
• Premium Wire Quality: Oil-hardened, tempered steel wire resists fatigue and breakage for safer operation.
• Vibration-Free Performance: Precision balancing ensures smooth rotation, protecting both the user and the grinder.
• M14 Compatibility: Specifically threaded for M14 x 2.0 arbors, ensuring a secure fit on compatible tools.