3M 7000028477 Deburring Wheel 2 in Aluminum Oxide Density 7

Product Description

The 3M 7000028477 is an aluminum oxide unitized deburring wheel designed for aggressive material removal and surface conditioning on metal workpieces. Built to a density grade of 7 with a hard grade designation, this wheel delivers consistent cutting action and controlled deburring across a range of ferrous and non-ferrous metals. It measures 2 inches in diameter with a 0.5 inch face width and mounts via a 0.25 inch center hole. Rated to 22,100 RPM, it is suited for high-speed power tool use in shop and field environments. Machinists, fabricators, and tool-and-die professionals are the primary installers and operators.

This wheel fits applications where burr removal, edge blending, and light surface conditioning are required. The unitized construction holds abrasive grains uniformly throughout the wheel body, allowing the wheel to continuously expose fresh cutting material as it wears. Typical use cases include deburring drilled holes, blending weld seams, and cleaning up machined edges on metal parts. The medium grade abrasive suits general-purpose deburring without excessive stock removal.

Key Features

• Aluminum oxide abrasive construction for consistent cut on ferrous and non-ferrous metals
• Density grade 7 hard for firm, controlled deburring action
• Unitized wheel design continuously exposes fresh abrasive as the wheel wears
• Maximum rated speed of 22,100 RPM for high-speed tool compatibility
• 2 inch diameter with 0.25 inch center hole for standard mandrel mounting
• Compatible with multiple tool types including die grinders and inline sanders

Compatibility

Designed for use with centerless grinders, die grinders, inline sanders, manual backstands, and pressure assist backstands.

Installation Notes

Installation should be performed by a qualified machinist or fabricator following the tool manufacturer's mounting instructions. Ensure the tool's rated RPM meets or exceeds the wheel's maximum RPM rating before mounting. Always power down and disconnect the tool from its power source before changing wheels. Inspect the wheel for cracks or damage before each use and never exceed the marked maximum speed.