Norton 66252839117 Knotted Carbon Steel End Brush 1 in

Product Description

The NORTON 66252839117 is a knotted wire end brush designed for aggressive surface conditioning on metal workpieces. Built with carbon steel fill wire in the 0.0101 to 0.0200 inch diameter range, the knotted configuration delivers coarse-grade cutting action for weld spatter removal, rust and scale stripping, and edge blending. The brush runs at up to 22,000 RPM and mounts via a 1/4-inch diameter shank with a 1-1/2-inch shank length, making it compatible with die grinders and drill presses. Fabricators, pipefitters, and maintenance mechanics reach for this type of brush when softer crimped wire would not provide enough bite on heavy oxidation or mill scale.

This end brush is suited for use on structural steel, pipe ends, weld joints, and cast components in both fabrication shops and field service environments. Its 1-inch brush diameter gives access to tight corners, bolt holes, and recessed weld seams that cup brushes or flap wheels cannot reach. The coarse carbon steel wire is appropriate for ferrous metals and general industrial deburring tasks where surface finish tolerances are not tight. Single-unit packaging makes it straightforward to add to a tool kit for on-site maintenance work.

Key Features

• Knotted wire configuration for coarse, aggressive material removal
• Carbon steel fill wire in the 0.0101 to 0.0200 inch diameter range
• 1-inch brush diameter for access to confined weld joints and recesses
• 22,000 maximum RPM rating suitable for die grinder use
• 1/4-inch pilot shank diameter, 1-1/2-inch shank length, shank included
• Not bridled, encapsulated, or flared — standard open-face knotted geometry

Compatibility

Designed as an OEM-style replacement or direct-purchase end brush for use in die grinders and rotary tools accepting a 1/4-inch shank, commonly used in metal fabrication and industrial maintenance applications.

Installation Notes

Installation and use should be performed by a qualified operator familiar with angle grinder and die grinder safety practices. Always verify the tool's no-load RPM does not exceed the 22,000 RPM maximum rating of this brush before mounting. Wear appropriate PPE including a face shield and gloves, and ensure the workpiece is secured before contact. Inspect the brush for broken or loose wires before each use and remove from service if wire loss or deformation is observed.