3M 7100082546 Wheel Mandrel 3 Inch 1/4 Inch Hole

Product Description

The 3M 7100082546 is a wheel mandrel designed to mount abrasive wheels to rotary tools, die grinders, and bench grinders for grinding, deburring, and finishing applications. The mandrel features a 0.12-inch shank diameter for secure chuck engagement and an overall length of 3 inches. The head and washer diameter measures 4.3 inches, providing broad clamping surface across the wheel face. This type of accessory is standard equipment for metalworkers, fabricators, and maintenance technicians who use mounted abrasive wheels in production or field service environments.

This mandrel accommodates abrasive wheels with a 1/4-inch arbor hole. Compatible wheel widths range from 1/4 inch minimum to 1 inch maximum. Wheel diameter range spans from 2 inches minimum to 3 inches maximum. It is suited to bench-top or handheld rotary tool setups where consistent wheel-to-mandrel fitment is required for controlled stock removal or surface conditioning work.

Key Features

• Accepts abrasive wheels with 1/4-inch hole size
• Overall length of 3 inches for extended reach in confined work areas
• Head and washer diameter of 4.3 inches provides wide clamping contact across the wheel face
• Shank diameter of 0.12 inches fits standard die grinder and rotary tool chucks
• Compatible with wheels from 2 to 3 inches in diameter and 1/4 to 1 inch in width

Compatibility

Designed for use with abrasive wheels having a 1/4-inch arbor hole, a diameter between 2 and 3 inches, and a width between 1/4 inch and 1 inch, as specified in the product data.

Installation Notes

Installation is typically performed by machinists, fabricators, or maintenance technicians using standard rotary tool or die grinder equipment. Always power down and unplug or lock out the tool before mounting or removing the mandrel and wheel. Inspect the abrasive wheel for cracks or damage before mounting, and ensure the wheel is rated for the RPM of the tool in use. Follow applicable ANSI B7.1 grinding safety standards when mounting and operating abrasive wheel assemblies.