3M 7000121145 Scotch-brite Exl Unitized Wheel 6 in Fine

Product Description

The 3M 7000121145 is a Scotch-Brite EXL Unitized Wheel designed for deburring, finishing, and polishing metal alloys, plastics, and composites. The wheel uses silicon carbide abrasive at a fine grit rating and features a soft, conformable construction that keeps the abrasive in consistent contact with the workpiece surface. At 6 inches in diameter, it fits standard bench grinders and automated finishing equipment. The layered, unitized build minimizes heat buildup, reducing risk to heat-sensitive base materials. Metalworkers, fabricators, and finishing technicians rely on this wheel for edge work and surface prep across a wide range of substrates.

This wheel is suited for both manual bench grinder setups and robotic or automated finishing lines where conformability to complex part geometry is required. Its fine grit silicon carbide construction makes it appropriate for final-stage deburring, light blending, and pre-polish surface work on metal alloys and many plastics and composites. The unitized design allows operation in both clockwise and counterclockwise directions, supporting flexible installation on varied equipment configurations.

Key Features

• Silicon carbide abrasive at fine grit for controlled deburring and surface finishing
• Soft, conformable construction maintains abrasive contact on complex and irregular part profiles
• Unitized layered build operates clockwise or counterclockwise for equipment flexibility
• Minimizes heat buildup to protect heat-sensitive materials during finishing
• Resists smearing for cleaner cut surfaces and reduced prep time
• Wheel edge can be dressed to refresh cutting action and extend service life

Compatibility

Designed for use on bench grinders and automated finishing equipment accepting 6-inch diameter unitized wheels. Suitable for finishing metal alloys, plastics, and composites in both manual and robotic processing applications.

Installation Notes

Installation should be performed by a qualified metalworking or finishing technician following the equipment manufacturer's mounting specifications. Ensure the machine is fully powered down and locked out before mounting or removing the wheel. Confirm the arbor size and maximum RPM rating of the equipment match the wheel specifications before operation. Inspect the wheel for damage prior to each use and do not exceed the rated operating speed.

Technical Specifications

• Abrasive Material: Silicon Carbide
• Grit Grade: Fine
• Wheel Diameter: 6 inches
• Package Dimensions: 6.7 x 6.7 x 3.1 inches
• Weight: 1.183 pounds
• Unit of Measure: Each

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121145