Dewalt Accessories DW4910 Knot Cup Brush 3 in 5/8-11 Arbor

Product Description

The DEWALT ACCESSORIES DW4910 is a 3-inch knot cup brush built from high-quality carbon steel for demanding surface preparation and metal finishing work. Designed with a robust internal holding plate, this brush delivers consistent performance and enhanced operator safety during heavy-duty tasks. The 5/8-11 arbor size fits a wide range of angle grinders and compatible power tools. Each wire strand is individually inspected to meet strict quality specifications, ensuring reliable performance and extended service life across metal deburring, weld cleaning, rust removal, and edge blending applications. Sold in a package of 5 brushes. Licensed tradespeople and experienced metalworkers are the primary users of this tool.

The DW4910 knot cup brush is suited for residential and commercial metalworking, fabrication shops, and maintenance environments where surface preparation is required. Common applications include removing rust and mill scale from steel, cleaning weld beads before inspection or coating, stripping paint and oxidation from metal substrates, and blending edges on fabricated parts. The 3-inch diameter and 5/8-11 arbor size make it a practical fit for standard angle grinders used in these trades.

Key Features

• Carbon steel wire construction for durability in heavy-duty deburring and weld cleaning
• Robust internal holding plate provides added safety and dimensional consistency during use
• 3-inch diameter cup profile concentrates wire contact for effective surface coverage
• 5/8-11 arbor size compatible with standard angle grinders
• Each wire strand inspected to meet stringent quality specifications
• Sold as a package of 5 brushes for extended jobsite supply

Compatibility

Designed as an OEM-style fit for standard angle grinders accepting a 5/8-11 threaded arbor connection.

Installation Notes

Mounting and use of cup brushes on angle grinders should be performed by qualified tradespeople familiar with applicable ANSI and OSHA abrasive wheel safety standards. Always disconnect power or remove the battery from the tool before mounting or removing the brush. Verify that the tool RPM rating does not exceed the maximum rated speed of the brush before operating. Eye protection, face shields, and appropriate PPE are required when operating wire cup brushes.