3M 7000121884 Silicon Carbide Unitized Wheel 1 Inch

Product Description

The 3M 7000121884 is a silicon carbide unitized wheel from the Standard Abrasives 500 Series, designed for light-pressure blending, finishing, and polishing on flat or contoured surfaces. The soft, conformable density of the non-woven construction allows the wheel to conform closely to workpiece geometry, making it well suited to applications where tight tolerances demand a controlled, consistent surface finish. At 1 inch in diameter, this wheel attaches to a compatible tool spindle via a unitized wheel mandrel, sold separately. Metal fabricators, machinists, and finishing technicians working with both ferrous and non-ferrous materials are the primary users.

This wheel is intended for light finishing, blending, and polishing operations in fabrication shops, aerospace, and general metalworking environments. Silicon carbide mineral makes it compatible with ferrous metals, non-ferrous metals, exotic alloys, titanium, and composites. It is suited to both flat and contoured part geometries and can be used in production or bench applications where precise, repeatable surface conditioning is required. The open web construction resists loading, extending usable service life compared to conventional abrasive products.

Key Features

• Soft, conformable non-woven density for fine-finish blending on flat and contoured surfaces
• Silicon carbide mineral supports use on ferrous metals, non-ferrous metals, titanium, exotic alloys, and composites
• Runs clockwise and counterclockwise, increasing compatibility with a wider range of power tools and machines
• Open web construction is load resistant, contributing to longer abrasive service life
• Cuts faster than buff-and-blend non-woven products while maintaining controlled material removal
• 1 inch diameter suits tight-access finishing and precision surface work

Compatibility

Designed for use with a unitized wheel mandrel, sold separately, across a range of rotary power tools and bench grinders that accept center-hole unitized wheels. No specific machine or system compatibility data was provided in the product input.

Installation Notes

Installation should be performed by a qualified operator familiar with abrasive wheel mounting procedures. Ensure the spindle speed of the tool does not exceed the maximum rated RPM marked on the wheel or its packaging before mounting. Power down and de-energize the tool completely before mounting or removing the wheel. Inspect the wheel for cracks or damage before each use and never use a damaged wheel.

Technical Specifications

• Abrasive Material: Silicon Carbide
• Series: Standard Abrasives 500 Series
• Wheel Type: Unitized, Non-Woven
• Wheel Diameter: 1 inch
• Density: Soft
• Package Length: 5.25 inches
• Package Width: 3.06 inches
• Package Height: 2.69 inches
• Weight: 0.33 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 10
• UPC: 051115331966

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121884