3M 7000121898 Convolute Finishing Wheel 12 Inch Ao

Product Description

The 3M 7000121898 is a standard abrasives convolute finishing wheel engineered for final finishing operations on a range of metal surfaces. Built with a dense, rigid convolute construction, it delivers consistent satin and antique finishes with high cut rates at low contact pressure. The aluminum oxide abrasive and open web structure resist loading, extending service life in production or shop environments. At 12 inches in diameter and 3.75 inches wide, this wheel is suited for bench grinder or arbor-mounted applications where repeatable surface quality is required. Metalworkers, fabricators, and finishing technicians are the primary installers and users.

This wheel is designed for flat surface work, edge finishing, and corner work on ferrous and non-ferrous metals. The rigid convolute build holds its form under pressure, making it effective for consistent contact on flat stock, bar stock, and formed parts. Because the wheel can be dressed to match specific part geometry, it adapts to production runs with varied profiles. It is commonly used in metal fabrication shops, maintenance facilities, and manufacturing environments where decorative or preparatory metal finishing is performed.

Key Features

• Dense, rigid convolute construction maintains wheel shape on flat surfaces and corners
• Produces satin and antique finishes on a variety of metals
• High cut rate achieved at low contact pressure reduces operator fatigue and surface damage risk
• Open web design resists loading for extended abrasive service life
• Can be dressed to match specific part geometry for production flexibility

Compatibility

Designed as an OEM-style replacement or direct-use convolute finishing wheel for bench grinders and arbor-mounted finishing equipment accepting a 12-inch diameter wheel.

Installation Notes

Convolute finishing wheels are mounted by metalworking technicians and finishing specialists on bench grinders or dedicated finishing arbors. Before mounting, power down and lock out the equipment per OSHA lockout/tagout procedures. Verify that the machine spindle speed rating meets or exceeds the maximum RPM rating of the wheel before operation. Dress the wheel as needed using a suitable dressing tool to match the target part geometry before beginning a finishing run.

Technical Specifications

• Diameter: 12 inches
• Width: 3.75 inches
• Abrasive Type: Aluminum Oxide (AO)
• Wheel Type: Convolute
• Application: Metal Finishing
• Package Dimensions: 12.38 x 12.38 x 3.75 inches
• Weight: 4.019 pounds
• Sold As: Each
• UPC: 051115332246

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000121898