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Walter 4-Inch Knot-Twisted Wire Wheel Brush, 1/2-Inch Arbor, Steel

$29.46/ea $21.49/1 per each only $21.49/eaSave 27%

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OVERVIEW

Aggressive Cleaning for Professional Fabrication

For professional welders and fabricators, surface preparation and post-weld cleaning are critical steps that determine the quality of the final product. The Walter 13C404 4-Inch Knot-Twisted Wire Wheel Brush is built to tackle the toughest cleaning challenges in the welding shop. When dealing with heavy slag, stubborn weld spatter, or thick layers of mill scale, a standard wire brush often falls short. This knot-twisted wheel provides the aggressive cutting action needed to strip surfaces down to bare metal quickly and effectively. The twisted knot design prevents the wire tips from flaring out prematurely, ensuring that the brush maintains its aggressive profile throughout its lifespan.

Welders often encounter situations where they need to clean a root pass or prepare a joint in a tight corner. The 4-inch diameter and 1/2-inch width of this wheel are perfectly sized for these detailed tasks. It fits easily into tight angles and can clean out narrow channels where oxidation and slag can hide. The high-quality carbon steel wire is oil-hardened and tempered, providing exceptional resistance to breakage and wear. This means fewer flying wires and a safer working environment compared to lower-quality alternatives. With a maximum rating of 20,000 RPM, this wheel can be used on high-speed die grinders (with the appropriate mandrel) to power through rust and oxidation rapidly, ensuring your base material is pristine before the arc is struck.

Beyond pre-weld prep, this wire wheel is excellent for post-weld finishing. It effectively removes heat discoloration and cleans up bead profiles without removing base metal, leaving a professional look. It is important to note that this specific model uses carbon steel wire, making it suitable for work on carbon steel workpieces. Using this brush on stainless steel is not recommended as it can embed iron particles leading to rust; always choose the correct metallurgy for your substrate. Trust Walter's engineering to deliver a wire wheel that stands up to the heat and demands of the welding industry, providing a reliable solution for heavy-duty material removal and cleaning.

Additional Information
Brand:Walter Surface Technologies
Diameter:4 in
Width:1/2"
Arbor In:1/2"
Wheel Style:Twist Knot
Used To Grind:Steel
Packaging Description:1 per each
Wire Material:Carbon Steel
Wire Diameter:0.0118"
Max RPM:20000
Construction:Knot-Twisted
Tool Compatibility:Die Grinder, Power Drill, Stationary Machine

INCLUDED

  • 1 x Walter 4" Knot-Twisted Wire Wheel Brush (Steel)

APPLICATIONS

  • Removing heavy rust, scale, and corrosion from steel surfaces
  • Deburring machined parts and metal edges
  • Cleaning weld seams, slag, and spatter
  • Stripping paint and rubber coatings
  • Surface preparation prior to painting or plating
  • Cleaning castings and molds

FAQ

The Walter 13C404 has a 1/2-inch arbor hole.

No, the mandrel is sold separately. You will need a compatible mandrel to mount this wheel on a die grinder or drill.

It is not recommended. This wheel uses carbon steel wire, which can contaminate stainless steel and cause rust. Use a stainless steel wire wheel for stainless applications.

Knot-twisted wire is twisted into tight bundles for aggressive, high-impact cleaning. Crimped wire is wavy and flexible, better for light cleaning and surface finishing.

The maximum safe operating speed is 20,000 RPM.

Yes, the knot-twisted design is aggressive enough to effectively remove heavy slag and weld spatter.

It can be used on die grinders and power drills (with a mandrel) or on stationary bench machinery that accepts a 1/2" arbor.

Oil-hardening and tempering the wire increases its fatigue resistance and durability, preventing premature breakage during heavy use.

CATALOGUE & SPEC SHEETS

Spec Sheet
Safety Data Sheet