Weiler 21404 Helical Power Tube Brush Stainless Steel

Product Description

The WEILER 21404 is a helical power tube brush designed for cleaning, deburring, and surface preparation inside tubes, pipes, and bores. It features a stainless steel fill that holds up against corrosion and is rated for use on stainless steel workpieces. The 3/16-inch stainless steel shank mounts directly into a power drill or die grinder for fast, consistent scrubbing action. Rated to 2000 RPM, this brush suits light to moderate rotary tool applications where a secure chuck connection and brush integrity at speed are required. Licensed tradespeople and fabrication shop technicians reach for this brush when working on piping assemblies and tubing components.

This brush is suited for tube and pipe interior cleaning in HVAC, plumbing, and light industrial fabrication applications. Its helical configuration allows the bristles to make consistent contact along the inner wall of a bore as the brush rotates. The stainless steel fill makes it a natural fit when working with stainless pipe and tubing where cross-contamination from carbon steel bristles is a concern. It is equally useful for removing scale, flux residue, or light oxidation prior to inspection or joining.

Key Features

• Helical brush configuration for consistent interior wall contact during rotation
• Stainless steel fill material compatible with stainless steel workpiece surfaces
• 3/16-inch stainless steel shank for secure chuck mounting in drills and die grinders
• 2000 RPM maximum speed rating for safe rotary tool use
• Compact single-unit packaging suitable for individual replacement or stock replenishment

Compatibility

Designed as an OEM-style power tube brush for use with standard rotary tools and drills accepting a 3/16-inch round shank; intended for interior cleaning of tubes, pipes, and bores on stainless steel and compatible materials.

Installation Notes

Installation is performed by inserting the 3/16-inch shank into the chuck of a power drill or die grinder and tightening securely before operation. Always confirm the tool RPM rating meets or does not exceed the 2000 RPM maximum before running the brush. Wear appropriate eye protection and gloves when operating rotary wire brushes. Inspect the brush for splayed or broken bristles before each use and replace if damage is present.