Weiler 90375 Knotted Wire End Brush 1-1/8 in Steel

Product Description

The WEILER 90375 is a knotted wire end brush designed for aggressive surface preparation and deburring on metal workpieces. The brush features a 1-1/8 inch diameter working face with steel knotted wire fill, rated to a maximum of 22,000 RPM. A hollow center design allows the brush to conform to irregular surfaces, making it effective for cleaning weld seams, removing scale, and preparing pipe ends or tubing for inspection or joining. A shank is included for direct chuck mounting in angle grinders, die grinders, and drill presses used in industrial and trade applications.

This end brush suits metal fabrication, pipe fitting, HVAC sheet metal work, and general maintenance tasks where a power-driven wire brush is required. Knotted wire construction delivers greater cutting aggressiveness compared to crimped wire, making it appropriate for heavy mill scale, rust, and weld spatter removal on carbon steel, cast iron, and similar ferrous substrates. The brush ships as a single unit and is intended for use by trades professionals working with rotary power tools.

Key Features

• Knotted steel wire fill for aggressive deburring and scale removal
• 1-1/8 inch brush diameter for targeted end-face application
• 22,000 RPM maximum rated speed for compatibility with standard die grinders and angle grinders
• Hollow center construction for surface conformance on irregular or contoured workpieces
• Shank included for direct chuck mounting — no adapter required

Compatibility

Designed as an OEM-style replacement or standard consumable end brush for rotary power tools accepting a standard shank-mounted wire brush, including die grinders, angle grinders, and drill presses operating within the 22,000 RPM maximum speed rating.

Installation Notes

Installation and use of this brush should be performed by qualified trade professionals familiar with rotary abrasive and wire brush safety practices. Always verify the tool's maximum free speed does not exceed the 22,000 RPM rating marked on the brush before mounting. Wear ANSI-rated eye protection and a face shield during operation, and confirm the workpiece is secured before applying the brush. Never exceed the rated RPM, and inspect the brush for wire fatigue or deformation before each use.