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Walter 1-1/2 Inch x 3/8 Inch 40 Grit Mounted Flap Wheel

$13.52/ea $8.63/1 per each only $8.63/eaSave 36%

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OVERVIEW

Heavy-Duty Weld Cleaning and Blending

For welders and fabricators, surface preparation and post-weld finishing are just as important as the weld itself. The Walter 1-1/2" x 3/8" x 40 Grit Flap Wheel (SKU: 15F004) is built to tackle the tough cleanup jobs that standard grinding wheels can't reach. With its aggressive 40 grit abrasive, this mounted wheel is perfect for knocking down heavy slag, smoothing out tack welds, and blending bead profiles in tight corners where a 4-1/2" angle grinder simply won't fit.

Constructed from premium abrasive cloth, this flap wheel offers superior longevity compared to standard sanding drums. The flap design allows the wheel to be flexible, conforming to the shape of the base metal. This is crucial when working on tubular structures, railing, or custom automotive exhausts where maintaining the original geometry of the pipe is essential. The 40 grit texture provides rapid material removal, allowing you to quickly transition from a rough weld to a smooth surface ready for finer polishing or painting.

Vibration control is a key feature of the Walter design. High vibration can lead to hand fatigue and inconsistent finishes, but the balanced hub of the 15F004 ensures smooth operation even at high RPMs. This stability allows for precise control, preventing accidental undercutting of the weld or damage to the surrounding heat-affected zone. Whether you are working with mild steel, stainless steel, or aluminum, this flap wheel resists loading and glazing, ensuring it keeps cutting effectively throughout its lifespan.

Add this versatile tool to your welding arsenal for those intricate finishing tasks. It serves as an excellent bridge between heavy grinding and final surface conditioning, providing a consistent scratch pattern that blends seamlessly. Ideal for custom fabrication shops, repair work, and onsite installations.

Additional Information
Brand:Walter Surface Technologies
Grit:40
Width:3/8"
Used To Grind:Steel or Stainless or Aluminum
Used To Sand:Steel, Stainless Steel, Aluminum
Diameter:1.5"
Abrasive Material:Aluminum Oxide
Mounting Type:Shaft Mounted
Application Type:Deburring, Finishing, Blending
Packaging Description:1 per each

INCLUDED

  • 1 x Walter 1-1/2" x 3/8" x 40 Grit Flap Wheel

APPLICATIONS

  • Deburring machined parts and castings
  • Blending and shaping welds in tight corners
  • Cleaning inside diameters of pipes and tubes
  • Removing rust, scale, and oxidation
  • General purpose graining and finishing on steel and aluminum
  • Surface preparation prior to painting or coating

FAQ

The Walter 15F004 flap wheel is versatile and safe for use on steel, stainless steel, and aluminum surfaces.

This is a mounted flap wheel designed for use with die grinders, straight grinders, or power drills that accept a standard shank (typically 1/4 inch).

A 40 grit rating indicates a coarse abrasive texture. It is best suited for heavy material removal, shaping, and aggressive deburring rather than fine polishing.

Yes, the flap design allows the abrasive to conform to contours and curved surfaces, making it ideal for pipes, tubes, and irregular shapes.

Flap wheels provide a softer, more consistent finish and are less likely to gouge the material compared to hard grinding stones. They also run cooler, reducing the risk of heat discoloration.

Absolutely. The coarse 40 grit is effective at stripping rust, paint, and scale from metal surfaces in preparation for welding or finishing.

A balanced hub ensures the wheel spins true without wobbling. This reduces vibration, which improves operator comfort, protects the tool, and results in a smoother finish.

CATALOGUE & SPEC SHEETS

Safety Data Sheet