3M 7010329455 Brite Cut Polish Flap Brush 8x4x4 in 5A Med

Product Description

The 3M 7010329455 is a Brite Cut and Polish Flap Brush designed for surface finishing applications that demand higher levels of polish and cut. The brush is built around a central core with individual abrasive sheets adhered at a 90-degree angle, creating a flap-style action that conforms to workpiece contours during operation. The abrasive mineral is aluminum oxide at a medium grade, and the brush carries a 5A medium density rating. At 8 inches long with a 4 inch x 4 inch face, this is a heavy-duty tool sized for production or industrial finishing work. Installers and fabricators in metal finishing, welding cleanup, and surface prep rely on this style of flap brush for consistent results.

This flap brush suits applications where standard grinding or sanding leaves too rough a finish and a higher polished surface is required. It is commonly used on metal fabrication lines, weld bead blending, deburring, and surface conditioning on steel, stainless steel, and similar hard metals. The medium-grade aluminum oxide abrasive delivers both cut and polish action in a single pass, reducing the number of finishing steps required. It is sold individually and is well suited for bench-mounted or handheld power tool use in shop or field environments.

Key Features

• Individual abrasive sheets adhered at a 90-degree angle to a central core for conformable flap action
• Medium-grade aluminum oxide abrasive mineral for combined cut and polish performance
• 5A medium density rating provides a balance of aggression and surface refinement
• Heavy-duty construction suited for applications requiring higher polished finishes
• Large 8 inches x 4 inches x 4 inches format for broad surface coverage

Compatibility

Designed as an OEM-style replacement or direct-use abrasive flap brush for power finishing tools that accept an 8-inch flap brush with a 4 inches x 4 inches arbor configuration.

Installation Notes

This flap brush is installed and operated by machinists, metal fabricators, or finishing technicians using compatible bench grinders or rotary power tools. Confirm the tool spindle speed rating meets or does not exceed the maximum RPM rating of the brush before mounting. Always power down and isolate the tool from its power source before mounting or removing the brush. Wear appropriate PPE including eye protection and gloves during operation.

Technical Specifications

• Length: 8 inches
• Face Dimensions: 4 inches x 4 inches
• Abrasive Mineral: Aluminum Oxide
• Abrasive Grade: Medium
• Density Rating: 5A Medium
• Weight: 3.52 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010329455