3M 7000121167 Flap Brush 4.5x4in 5/8-11 5A Vfn Metal Finish

Product Description

The 3M 7000121167 is a nonwoven radial flap brush designed for consistent surface finishing and blending on all metal types. Rows of nonwoven abrasive material are arranged in a radial pattern around the hub, delivering conformability across contoured and flat surfaces alike. The brush measures 4.5 inches in diameter by 4 inches wide and accepts a 5/8-11 threaded spindle mount. The 5A VFN grade provides a very fine cut that suits final finishing and color-match blending passes where surface consistency is critical. At 0.87 pounds, it is lightweight enough for extended tool use without excessive fatigue. Licensed metalworking professionals and fabricators working on automotive, HVAC sheet metal, or structural components will find this brush suitable for production and repair finishing alike.

This flap brush is intended for use with 3M 1HP Inline Sanders as part of the 3M Brite Match and Finish system. It is suited for finishing passes on ferrous and nonferrous metals in both residential fabrication shops and commercial production environments. The four-way keyway attachment hub allows fast, tool-free changeover between brushes on compatible inline sanders, reducing downtime during multi-step finishing operations. Typical applications include weld blending, surface prep before coating, and color-match finishing on bare or previously finished metal surfaces.

Key Features

• Radial nonwoven construction provides conformability across flat and contoured metal surfaces
• 5A VFN grade delivers very fine finishing for blending and color-match work
• 5/8-11 threaded spindle arbor fits standard inline and angle grinder spindles
• Four-way keyway attachment hub enables fast changeover on compatible 3M 1HP Inline Sanders
• Consistent cut rate across the full brush width for uniform surface finish
• Suitable for all metal types including ferrous and nonferrous alloys

Compatibility

Designed for use with the 3M 1HP Inline Sander product line using the four-way keyway attachment system. The 5/8-11 spindle thread is compatible with standard angle grinder and inline sander spindles that accept this arbor size.

Installation Notes

Installation and operation should be performed by trained personnel familiar with rotary abrasive tools and applicable workplace safety standards. Always power down and disconnect the tool from its air or electrical supply before mounting or removing the flap brush. Confirm the spindle thread engagement is secure before running the tool at speed. Wear appropriate PPE including eye protection and gloves during operation.

Technical Specifications

• Diameter: 4.5 inches
• Width: 4 inches
• Arbor Size: 5/8-11
• Grade: 5A VFN (Very Fine Nonwoven)
• Weight: 0.87 pounds
• UPC: 00051141557465
• Sold As: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121167