3M 7100177938 Mounted Flap Wheel 120 Grit Aluminum Oxide

Product Description

The 3M 7100177938 is a mounted flap wheel abrasive designed for deburring, blending, and surface finishing on metal, wood, and composite materials. It features a 2-inch diameter with a 1-inch face width and runs at a maximum of 20,000 RPM. The abrasive material is aluminum oxide on a cloth backing with an X-weight backing designation, making it well-suited for consistent stock removal and finishing passes. This type of mounted flap wheel is installed by machinists, fabricators, and maintenance technicians using a compatible threaded spindle mount on die grinders or similar rotary tools.

This wheel is appropriate for light to medium finishing work in both shop and field environments. The 120 grit rating places it in the fine grade range, making it effective for blending weld seams, cleaning up machined surfaces, and removing light burrs without excessive material removal. The coated aluminum oxide abrasive performs consistently across ferrous and non-ferrous metals. It is a single-piece unit packaged individually and suited for bench or handheld rotary tool applications.

Key Features

• Aluminum oxide coated abrasive for consistent cut and finish across metals
• 120 grit fine grade for blending and light deburring work
• Cloth backing with X-weight designation for durability under load
• Threaded mount type for secure attachment to die grinders and rotary tools
• 20,000 RPM maximum rated speed for compatibility with standard die grinders
• No interleaf construction for direct abrasive contact with the workpiece

Compatibility

Designed for use with threaded spindle die grinders and rotary tools that accept a standard threaded mounted abrasive wheel. Verify spindle thread size and maximum RPM rating of the tool before installation.

Installation Notes

Installation should be performed by a qualified machinist or fabricator familiar with abrasive tooling. Power down and disconnect the rotary tool before mounting or removing the wheel. Confirm the tool spindle speed does not exceed the 20,000 RPM maximum rating of this wheel. Inspect the wheel for damage before each use and never use a visibly cracked or compromised abrasive.