3M 7000121028 Scotch-brite Exl Unitized Wheel 6 in

Product Description

The 3M 7000121028 is a Scotch-Brite EXL Unitized Wheel designed for smoothing, deburring, and surface finishing on metal alloys, plastics, and composites. Built with aluminum oxide abrasive in a layered, unitized construction, this 6-inch diameter wheel mounts on a 1-inch arbor and is compatible with standard bench grinders and automated finishing equipment. The soft, conformable consistency keeps the abrasive in consistent contact with irregular and complex part profiles, making it a reliable choice for both manual and robotic processing applications. It is well-suited for fabricators, machinists, and metalworking professionals who need repeatable, clean surface results without smearing or excessive heat buildup.

This wheel is used in metal fabrication shops, machine shops, and production finishing environments. It handles edge deburring, surface blending, and pre-polish finishing on ferrous and non-ferrous metals, as well as many plastics and composite materials. The unitized construction allows operation in both clockwise and counterclockwise directions, adding flexibility in machine setups. Typical applications include finishing weld seams, cleaning up machined edges, and preparing surfaces prior to coating or inspection.

Key Features

• Layered, unitized construction supports bidirectional operation — clockwise or counterclockwise
• Conformable consistency maintains abrasive contact on complex and irregular part geometries
• Resists smearing, producing cleaner surfaces with less pre-work required
• Minimizes heat buildup, reducing risk of thermal damage on heat-sensitive materials
• Wheel edge can be dressed to maintain effective deburring and finishing performance
• Suitable for metal alloys, many plastics, and composite materials

Compatibility

Designed for use with bench grinders and finishing machines equipped with a 1-inch arbor. Suitable for deburring, blending, and finishing applications on metal alloys, plastics, and composites across manual and automated production setups.

Installation Notes

Installation is typically performed by a machinist or equipment operator. Power down and lock out the grinder or finishing machine before mounting or removing the wheel. Confirm the machine arbor size matches the 1-inch bore before mounting. Inspect the wheel for damage before each use and do not exceed the rated RPM for the wheel diameter.

Technical Specifications

• Wheel Diameter: 6 inches
• Arbor Size: 1 inch
• Abrasive Type: Aluminum Oxide (AO)
• Construction: Unitized
• Package Dimensions: 6.7 x 6.7 x 3.1 inches
• Weight: 0.6 pounds
• Sold As: Each
• Minimum Order Quantity: 4
• UPC: 00048011928326

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121028