3M 7000120873 Scotch-brite Exl Unitized Wheel 0.5 in Ao

Product Description

The 3M 7000120873 is a Scotch-Brite EXL Unitized Wheel designed for deburring, smoothing, and surface finishing on metal alloys, plastics, and composites. Built with a soft, conformable construction and aluminum oxide (AO) abrasive, this wheel maintains consistent contact with irregular and complex part geometries. At 0.5 inches in diameter with a 0.125-inch arbor, it fits standard die grinders and rotary tools used in precision finishing work. The unitized, layered construction resists smearing and minimizes heat buildup, making it suitable for heat-sensitive materials and fine finishing applications where surface cleanliness matters.

This wheel is used in metal fabrication shops, machine shops, and light manufacturing environments for edge deburring and surface conditioning. It is well-suited to robotic processing setups where conformability is critical for maintaining abrasive-to-part contact across contoured surfaces. Technicians and machinists also use it for hand-held finishing on aluminum, stainless steel, and engineered plastics where consistent results and minimal smearing are required.

Key Features

• Aluminum oxide abrasive construction for effective deburring and finishing on metal alloys, plastics, and composites
• Soft, conformable consistency maintains contact with complex part shapes including in robotic processing applications
• Layered unitized construction supports both clockwise and counterclockwise operation
• Minimizes heat buildup to protect heat-sensitive materials during finishing
• Resists smearing for cleaner surfaces and reduced prep time between operations
• Wheel edge can be dressed to restore cutting performance for deburring, finishing, and polishing

Compatibility

Designed as an OEM-style replacement and standard fitment unitized abrasive wheel for rotary tools and die grinders accepting a 0.125-inch arbor.

Installation Notes

Installation and use should be performed by trained machinists or fabrication technicians familiar with abrasive wheel safety. Confirm the tool spindle speed does not exceed the rated maximum RPM of the wheel before mounting. Power down and disconnect the rotary tool before mounting or removing the wheel. Always wear appropriate eye protection and follow applicable ANSI abrasive wheel safety standards during operation.

Technical Specifications

• Diameter: 0.5 inches
• Arbor Size: 0.125 inches
• Abrasive Type: Aluminum Oxide (AO)
• Construction: Unitized, Layered
• Package Length: 6.4 inches
• Package Width: 4.7 inches
• Package Height: 4.7 inches
• Weight: 0.01 pounds
• Sold As: Each
• UPC: 00048011155197

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000120873