3M 7010309553 Finishing Flap Brush 12x2x5 Medium

Product Description

The 3M 7010309553 is a finishing flap brush designed for light-duty cleaning and finishing applications. Individual abrasive sheets are adhered at a 90-degree angle to a central core, creating a flexible flapping action that conforms to irregular surfaces. The abrasive mineral is medium-grade aluminum oxide, rated at a 5A medium density and hardness. At 2.33 pounds, this brush is suited for handheld or machine-driven finishing work where consistent surface contact and controlled material removal are required. Tradespeople and fabricators use it for deburring, blending, and surface prep on metal and other materials.

This flap brush is used in industrial, fabrication, and maintenance settings where light surface finishing or cleaning is needed without aggressive material removal. Typical applications include weld blending, rust removal, and surface conditioning on ferrous and non-ferrous metals. It is well suited for use with compatible bench grinders, angle grinders, or similar rotary equipment. The medium abrasive grade makes it appropriate for work that requires a balance between cut rate and surface finish quality.

Key Features

• Individual abrasive sheets mounted at 90 degrees to the core for consistent flapping action
• Medium-grade aluminum oxide abrasive mineral for balanced cut and finish
• 5A medium density and hardness rating
• Dimensions: 12 inches x 2 inches x 5 inches
• Weighs 2.33 pounds
• Designed for light-duty cleaning and surface finishing applications

Compatibility

Designed as an OEM-style replacement or direct-use finishing flap brush for rotary power tools capable of accepting a 5-inch arbor-mounted brush in industrial and fabrication environments.

Installation Notes

Installation and operation should be performed by qualified tradespeople familiar with abrasive rotary tool safety. Ensure the power tool is fully de-energized and unplugged before mounting or removing the brush. Verify that the tool spindle speed does not exceed the maximum RPM rating of the brush before operation. Wear appropriate PPE including eye protection and gloves during use.

Technical Specifications

• Abrasive Mineral: Medium-grade aluminum oxide
• Density/Hardness: 5A Medium
• Dimensions: 12 inches x 2 inches x 5 inches
• Weight: 2.33 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 1
• UPC: 00048011011882

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010309553