3M 7000121888 Silicon Carbide Unitized Wheel 4 Inch

Product Description

The 3M 7000121888 is a silicon carbide unitized wheel from the Standard Abrasives 500 Series, designed for light-pressure blending, finishing, and polishing on flat and contoured work surfaces. At 4 inches in diameter, this soft-density non-woven wheel delivers the conformability and finesse required when working to close tolerances. It is well suited for fabrication shops, maintenance facilities, and metalworking environments where consistent surface quality on both ferrous and non-ferrous metals is the goal. Installation requires a separately purchased unitized wheel mandrel. Metalworkers and fabricators are the primary users of this product.

This wheel is built for applications that demand a fine finish without aggressive material removal. The open web construction resists loading, extending service life during prolonged finishing runs. It handles ferrous metals, non-ferrous metals, exotic alloys, titanium, and composites. The wheel runs clockwise or counterclockwise, giving operators more flexibility when pairing it with bench grinders, right-angle grinders, or automated finishing machines in light manufacturing and job shop settings.

Key Features

• Soft-density silicon carbide abrasive conforms to flat and contoured surfaces
• Suitable for ferrous metals, non-ferrous metals, exotic alloys, titanium, and composites
• Runs clockwise and counterclockwise for versatile tool pairing
• Open web construction resists loading for longer service life
• Delivers precise results where close tolerances are required
• Cuts faster than buff-and-blend non-woven products while maintaining finesse

Compatibility

Designed for use with a unitized wheel mandrel (sold separately) on standard bench grinders, right-angle grinders, and automated finishing equipment that accept center-hole unitized wheels.

Installation Notes

Mount this wheel onto a compatible unitized wheel mandrel following the tool manufacturer's torque and speed guidelines. Verify that the tool's rated RPM does not exceed the wheel's maximum rated speed before operation. Wear appropriate PPE including eye protection and gloves during installation and use. Inspect the wheel for damage before each use and do not operate a cracked or compromised wheel.

Technical Specifications

• Abrasive Mineral: Silicon Carbide
• Series: Standard Abrasives 500 Series
• Wheel Diameter: 4 inches
• Package Dimensions: 4.56 inches x 4.56 inches x 4.31 inches
• Weight: 0.8 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 051115332017

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121888