3M 7010329144 Brite Finishing Flap Brush 12x3x5 in 5A Fine

Product Description

The 3M 7010329144 Brite Finishing Flap Brush is a light-duty rotary abrasive tool designed for surface cleaning and finishing applications. The brush features individual abrasive sheets adhered at a 90-degree angle to a central core, allowing each sheet to flex and conform to the workpiece surface. The abrasive mineral is fine-grade aluminum oxide, and the brush is rated at a medium hardness 5A density. At 12 inches long with a 3-inch face width and a 5-inch outer diameter, this is a large-format tool suited for wide-area finishing work on metal, composites, and similar industrial surfaces. The unit weighs 3.46 pounds. Installation and use are handled by machinists, fabricators, and surface finishing technicians.

This flap brush is built for light-duty cleaning, deburring, blending, and surface conditioning tasks. The fine aluminum oxide abrasive and 5A density rating make it appropriate for final finishing passes where a consistent, low-aggression scratch pattern is required. Typical applications include weld blending, scale removal, and pre-paint surface prep on flat or contoured workpieces in fabrication shops, maintenance facilities, and industrial production lines.

Key Features

• Fine-grade aluminum oxide abrasive mineral for light material removal and surface finishing
• Individual sheets adhered at a 90-degree angle to core for consistent flap contact and flexibility
• Medium hardness 5A density rating balances conformability with durability
• Large 12-inch x 3-inch x 5-inch format covers wide surface areas efficiently
• Single-unit (each) packaging with a minimum order quantity of one

Compatibility

Designed for use on compatible arbor-driven bench or pedestal finishing machines that accept a 5-inch bore or matching hub configuration for large-format flap brushes. Confirm spindle speed and arbor fit before mounting.

Installation Notes

Mounting and operation of rotary abrasive flap brushes should be performed by qualified personnel following the machine manufacturer's specifications and applicable ANSI B11 safety standards for abrasive tools. Always power down and lock out the machine before mounting or removing the brush. Verify that the machine's maximum RPM rating meets or exceeds the brush's rated speed before operation. Wear appropriate PPE including eye protection and gloves during installation and use.

Technical Specifications

• Dimensions: 12 inches x 3 inches x 5 inches
• Weight: 3.46 pounds
• Abrasive Mineral: Aluminum Oxide
• Grade: Fine
• Density: 5A (Medium Hardness)
• Duty Rating: Light Duty
• UPC: 00048011089928

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010329144