3M 7000028457 Scotch-brite Exl Unitized Wheel 3 in 1/4 in Arbor

Product Description

The 3M 7000028457 is a Scotch-Brite EXL Unitized Wheel engineered for deburring, smoothing, and surface finishing on metal alloys, plastics, and composites. The wheel uses aluminum oxide abrasive bonded into a soft, conformable unitized construction that keeps the abrasive media in consistent contact with the workpiece surface throughout the cut. At 3 inches in diameter with a 1/4-inch arbor, it mounts directly onto die grinders, bench grinders, and rotary finishing tools common in fabrication and maintenance shops. The layered construction resists heat buildup, making it suitable for use on heat-sensitive base materials without risking surface discoloration or distortion.

This wheel is suited for finishing and deburring operations in metal fabrication, aerospace component preparation, automotive bodywork, and general industrial maintenance environments. It is effective on aluminum, stainless steel, carbon steel, titanium, and many engineered plastics and composites. The conformable structure makes it particularly well-suited for parts with complex profiles, contoured edges, or tight radii where rigid abrasive wheels would skip or leave high-low patterns. It operates in both clockwise and counterclockwise spindle rotation, providing flexibility across different tool configurations.

Key Features

• Soft, conformable unitized construction maintains abrasive contact on complex and contoured part geometries
• Aluminum oxide abrasive delivers consistent cut on metal alloys, plastics, and composites
• Operates clockwise or counterclockwise for compatibility with multiple tool setups
• Minimizes heat buildup to protect heat-sensitive workpiece materials
• Resists smearing, producing cleaner surfaces with less prep required between passes
• Wheel edge can be dressed for targeted deburring, finishing, and polishing work

Compatibility

Designed for use with die grinders, bench grinders, and rotary finishing tools accepting a 1/4-inch arbor. Suitable for deburring and finishing operations on metal alloys, plastics, and composites across fabrication, maintenance, and industrial processing applications.

Installation Notes

This wheel is installed by qualified machinists, fabricators, or maintenance technicians using standard rotary tool mounting procedures. Ensure the spindle is fully powered down and locked out before mounting or removing the wheel. Confirm the tool RPM rating meets or exceeds the wheel RPM rating before operation. Inspect the wheel for damage before each use and do not operate a damaged or deformed wheel.

Technical Specifications

• Wheel Diameter: 3 inches
• Arbor Size: 1/4 inch
• Abrasive Material: Aluminum Oxide
• Construction Type: Unitized
• Weight: 0.049 pounds
• Package Dimensions: 6.9 x 6.9 x 4.4 inches
• Unit of Measure: Each
• UPC: 00048011155319

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000028457