3M 7000121886 Silicon Carbide Unitized Wheel 3 Inch

Product Description

The 3M 7000121886 is a silicon carbide unitized abrasive wheel in the Standard Abrasives 500 Series, designed for light-pressure blending, finishing, and polishing on flat and contoured surfaces. The wheel features a soft, conformable non-woven construction that allows it to conform closely to part geometry, making it well-suited for work where tight tolerances are required. At 3 inches in diameter, it mounts via a unitized wheel mandrel and can be run in both clockwise and counterclockwise directions. Metalworkers, fabricators, and finishing technicians use this wheel for surface conditioning on ferrous metals, non-ferrous metals, exotic alloys, titanium, and composites.

This wheel is built for applications that demand a fine, consistent surface finish without aggressive material removal. It is commonly used in metal fabrication shops, aerospace component finishing, and general manufacturing environments where light blending and polishing are required. The open non-woven web construction resists loading, extending service life in production settings. It is sold individually and is appropriate for bench-mounted or handheld pneumatic and electric finishing tools when used with the appropriate mandrel accessory.

Key Features

• Soft density silicon carbide construction conforms to flat and contoured part profiles
• Suitable for ferrous and non-ferrous metals, exotic alloys, titanium, and composites
• Runs clockwise and counterclockwise for flexible tool compatibility
• Open non-woven web resists loading for extended abrasive service life
• Cuts faster than buff-and-blend non-woven products while maintaining finesse for tight-tolerance work
• Mounts via a unitized wheel mandrel, sold separately

Compatibility

Designed for use with a unitized wheel mandrel accessory on handheld or bench-mounted pneumatic and electric finishing tools. No specific compatible tool or system models were identified in the product data.

Installation Notes

Installation and wheel changes should be performed by a qualified operator following the tool manufacturer guidelines and applicable ANSI safety standards for abrasive wheels. Ensure the tool is powered off and disconnected before mounting or removing the wheel. Always confirm that the mandrel and tool RPM rating meet or exceed the wheel rating before operation. Inspect the wheel for damage before each use and never operate a cracked or deformed wheel.

Technical Specifications

• Abrasive Mineral: Silicon Carbide
• Wheel Type: Unitized, Non-Woven
• Series: Standard Abrasives 500 Series
• Wheel Diameter: 3 inches
• Package Dimensions: 7.13 inches x 4.19 inches x 3.88 inches
• Weight: 0.51 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 051115331980

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121886