3M 7010309551 Finishing Flap Brush 12x6x5 in 5A Vfn

Product Description

The 3M 7010309551 is a finishing flap brush designed for light-duty cleaning and finishing applications across metal, composite, and similar workpiece surfaces. The brush is constructed with individual abrasive sheets adhered at a 90-degree angle to a central core, which allows each sheet to flex and conform to irregular surface profiles during operation. The abrasive mineral is very fine grade aluminum oxide, rated 5A VFN, delivering consistent cut with a refined surface finish. At 5.88 pounds, this is a substantial rotary finishing tool suited for use with compatible arbor-driven equipment. Licensed tradespeople and fabricators working in maintenance, metal finishing, or surface prep environments will find this brush appropriate for controlled, repeatable results.

This flap brush is intended for light-duty surface finishing and cleaning tasks where a very fine abrasive action is required. Typical applications include deburring, blending weld seams, removing light oxidation, and producing a consistent finish on flat or contoured metal surfaces. The 12-inch diameter and 6-inch face width make it well suited for wide-area coverage on larger workpieces or machine components. The medium hardness 5 density core provides controlled compliance without excessive deflection during use.

Key Features

• Very fine grade aluminum oxide abrasive mineral for refined surface finishing
• Individual sheets adhered at 90 degrees to core for flexible, conforming contact
• Medium hardness density 5 construction balances compliance and cutting action
• 12-inch diameter by 6-inch face width for broad surface coverage
• Light-duty rated for cleaning and finishing — not aggressive stock removal
• Single-unit packaging with no minimum order beyond one piece

Compatibility

Designed for use with arbor-driven rotary equipment compatible with a 5-inch bore flap brush of 12-inch diameter. Verify arbor size, maximum RPM rating, and machine capacity before mounting.

Installation Notes

Mounting and operation of rotary abrasive flap brushes should be performed by qualified personnel familiar with abrasive product safety standards. Always confirm the machine spindle speed does not exceed the maximum safe operating speed marked on the product before use. Ensure the arbor and flanges are clean, properly sized, and securely tightened before running the brush. Appropriate personal protective equipment including eye protection and gloves is required during installation and operation.

Technical Specifications

• Diameter: 12 inches
• Face Width: 6 inches
• Bore Size: 5 inches
• Abrasive Grade: Very Fine (VFN)
• Abrasive Mineral: Aluminum Oxide
• Density: 5 (Medium Hardness)
• Duty Rating: Light Duty
• Weight: 5.88 pounds
• UPC: 00048011089522
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010309551