3M Unitized Wheel Mandrel 28850, 2-1/8 in x 1/4 in x 3/4 in x 3/4 in, 5 ea/Case

• 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.

Trusted 3M Unitized Mandrel

The 3M Unitized Wheel Mandrel 28850 is designed specifically to attach Scotch-Brite Unitized Wheels to rotary tools. This model ensures a secure fit for efficient edge deburring and finishing tasks.

Its steel construction offers durability, while the included flanges and retainer nut lock the wheel firmly in place. This mandrel is ideal for users who want reliable performance from 3M accessories.

Precise Size For Access

This mandrel measures 2-1/8 in x 1/4 in x 3/4 in x 3/4 in, making it compact enough to reach small or intricate workpieces. Its size supports detailed work where larger tools might not fit.

Because of its small size, it’s perfect for tasks requiring precision, such as deburring edges in tight spaces. The dimensions help maintain control and accuracy during use.

Compatible Wheel Dimensions

The 3M Unitized Wheel Mandrel works with wheels ranging from 2” to 3” in diameter and ¼” to 1” thick. This flexibility lets you choose the right wheel size for your specific job.

Using wheels within these size ranges ensures proper fit and optimal performance. It’s a versatile choice for various finishing and abrasive applications.

High Speed Operation

This mandrel supports a maximum RPM of 14,000, allowing it to handle demanding rotary tool speeds safely. High RPM capability means faster, more efficient work.

With this speed rating, it pairs well with 3M Die Grinders and other rotary tools designed for continuous use. The mandrel maintains stability even at high rotations.

Convenient Five-Case Pack

Sold in a pack of five, this case quantity provides value and convenience for professionals who need multiple mandrels on hand. It’s ideal for workshops or job sites.

Having five mandrels ready reduces downtime and ensures you always have a replacement available. The pack size supports ongoing projects without frequent reordering.