Weiler 90326 End Brush 1-1/8 in Stainless Steel Knotted Wire

Product Description

The WEILER 90326 is a knotted wire end brush designed for aggressive surface preparation and cleaning in industrial and trade applications. Measuring 1-1/8 inches in diameter with a 6 mm shank, it is rated to a maximum of 22,000 RPM, making it suitable for use with die grinders and rotary tools. The brush filament is stainless steel wire in the 0.0101 to 0.0200 inch diameter range, providing durability and resistance to corrosion during contact with dissimilar metals. The hollow center design and knotted wire construction deliver concentrated scrubbing action on welds, rust, scale, and surface deposits. Typically installed or used by pipefitters, plumbers, HVAC technicians, and metalworkers requiring reliable surface prep on stainless or corrosion-sensitive materials.

The WEILER 90326 is suited for tight-access deburring, weld blending, and surface cleaning tasks where a standard cup or wheel brush cannot reach. The 6 mm shank fits standard die grinder collets used across plumbing, HVAC, and general mechanical trades. It is appropriate for both shop and field use on ferrous and non-ferrous metals, pipe ends, valve seats, and fittings where contamination-free contact is required due to the stainless steel fill material.

Key Features

• Knotted stainless steel wire construction for aggressive surface preparation without carbon contamination
• 1-1/8 inch brush diameter provides focused scrubbing in confined areas
• Rated to 22,000 RPM, compatible with standard die grinder operating speeds
• 6 mm shank included, fits common die grinder collets without additional adapters
• Hollow center design concentrates wire tips at the working face for efficient material removal
• Wire diameter range of 0.0101 to 0.0200 inches balances aggressiveness and filament life

Compatibility

Designed for use with die grinders and rotary tools accepting a 6 mm shank. Suitable for surface preparation on stainless steel, ferrous metals, and non-ferrous metals in plumbing, HVAC, and general mechanical applications.

Installation Notes

Install the shank fully into the die grinder collet and tighten securely before operation. Always verify the tool operating speed does not exceed the 22,000 RPM maximum rating of the brush. Wear appropriate eye protection and gloves when operating wire brushes at high RPM. Inspect the brush for broken or splayed wires before each use and replace if filament integrity is compromised.