3M Unitized Wheel Mandrel 990, 1-3/4 in x 1/4 in x 1 in, Case of 5

• Designed to attach Scotch-Brite Unitized Wheels to rotary tools
• Max RPM 14,000
• Small size enables access to small or intricate workpieces
• Use with wheels 2”-3” in diameter and ¼” – 1” thick

A small but mighty abrasive accessory, 3M Unitized Wheel Mandrels secures Scotch-Brite Unitized Wheels (sold separately) to a rotary tool with a ¼” collet (such as a die grinder) for edge deburring and finishing.

Make the Most of Your Scotch Brite Unitized Wheels
Crafted from steel, 3M Unitized Wheel Mandrel also comes with two flanges that fit on either side of the wheel and a retainer nut that locks the wheel in place. Attach 3M Unitized Wheel Mandrel to tools like 3M Die Grinders (sold separately). These power tools are designed for continuous use and have features that enhance operator comfort and control. For example, the precision-balanced steel motor reduces vibration and weight, while 3M Gripping Material on the body enables a firm grip.

Complete Abrasive System Solutions
To complete the system, combine the wheel and mandrel with 3M Die Grinders (sold separately). 3M Die Grinders feature ¼” collets, which provide quick and easy attachment of the mandrel/wheel assembly. In addition, 3M Die Grinders are designed for continuous use and have ergonomic features that enhance operator comfort and control.

When this abrasive system, including the wheel, power tool and 3M Unitized Wheel Mandrel, come together, you’re one step closer to getting the job done.

3M Unitized Wheel Mandrel

The 3M Unitized Wheel Mandrel 990 is designed to securely attach Scotch-Brite Unitized Wheels to rotary tools. This model ensures reliable performance with its precise fit and durable construction.

Its compatibility with various rotary tools makes it a versatile choice for professionals who need a trusted accessory for their abrasive tasks.

Exact Dimensions For Precision

This mandrel measures 1-3/4 in x 1/4 in x 1 in, providing a compact size that allows access to small or intricate workpieces. The precise dimensions help maintain control during detailed finishing jobs.

Its small form factor is ideal for edge deburring and finishing, especially when working on tight or delicate areas where larger tools can't reach.

Compatible Wheel Sizes Range

The mandrel is designed to be used with wheels ranging from 2 inches to 3 inches in diameter and ¼ inch to 1 inch thick. This range covers many common Scotch-Brite Unitized Wheels for versatile applications.

Using the correct wheel size ensures optimal performance and safety, making this mandrel a key part of a complete abrasive system.

High-Speed Rotary Tool Use

With a maximum RPM of 14,000, the 3M Unitized Wheel Mandrel 990 supports high-speed rotary tools like die grinders. This speed rating ensures efficient material removal and finishing.

Its steel construction and included flanges with a retainer nut keep the wheel securely in place during fast rotations, enhancing both safety and effectiveness.

Pack Count For Convenience

This product comes in a pack of 5 each per case, providing multiple mandrels for ongoing projects or replacement needs. Having extras on hand reduces downtime during work.

The pack size is ideal for professionals who require consistent access to reliable mandrels for their Scotch-Brite abrasive wheels.