3M 7000046121 Brite Cut Polish Flap Brush 7A Medium

Product Description

The 3M 7000046121 is a Brite Cut and Polish Flap Brush engineered for heavy-duty surface finishing applications that demand higher polished results. Individual abrasive sheets are adhered at a 90-degree angle to a central core, creating a flap-style configuration that delivers consistent cut and finish action across the workpiece. The brush uses a medium-grade aluminum oxide mineral, a durable and widely used abrasive suited for controlled stock removal and surface refinement. At 7A density, the construction is hard, which promotes long service life and low conformability, keeping the abrasive action predictable on flat and contoured surfaces alike.

This flap brush is intended for industrial and trade applications where surface preparation, blending, or polishing is required on metal, fabricated components, or other hard materials. The medium-grade abrasive makes it suitable for intermediate finishing passes where the goal is a refined surface without aggressive stock removal. Fabricators, metalworkers, and maintenance technicians working in manufacturing, welding shops, or general industrial environments are the primary installers and users of this type of tooling.

Key Features

• Individual abrasive sheets adhered at 90 degrees to core for consistent flap-style cutting action
• Medium-grade aluminum oxide mineral for controlled cut and surface refinement
• Hard 7A density construction promotes long service life
• Low conformability design maintains predictable abrasive contact on firm surfaces
• Heavy-duty construction suited for applications requiring higher polished finishes

Compatibility

Designed for use on compatible rotary finishing equipment that accepts flap brush tooling in the corresponding arbor and dimensional configuration. Verify spindle speed rating and arbor size on the host machine before mounting.

Installation Notes

This tooling should be mounted and operated by qualified personnel familiar with rotary abrasive equipment. Always power down and lock out the drive machine before mounting or removing the brush. Confirm the machine spindle speed does not exceed the maximum rated RPM for the brush before operation. Inspect the brush for damage before each use and replace if sheets are torn, detached, or the core shows signs of wear.

Technical Specifications

• Abrasive Mineral: Aluminum Oxide
• Grade: Medium
• Density: 7A Hard
• Sheet Orientation: 90 degrees to core
• Dimensions: 8 inches x 4 inches x 3 inches
• Weight: 46 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000046121