3M 7100009221 | 935 1/4"M Thread x 1/4" Shank x 1/4" OAL x 4" Width Mini Mandrel

The 3M Mini Mandrel is designed to work with your die grinder or rotary tool. This accessory grips a 1" wide strip of Scotch-Brite non-woven material allowing you to access tight internal diameters, typically for surface conditioning or polishing tasks.

The 3M Mini Mandrel is an accessory that attaches to your die grinder or drill. It holds a 1" wide strip of Scotch-Brite non-woven material. Secure its shaft into the collet assembly of your drill chuck or rotary power tool to clean, polish or deburr the inside diameter of the workpiece.

The 2-7/8" long mini mandrel is useful in metal fabrication, woodworking and millwork, in the manufacture of medical instruments, turbine engine manufacture, plumbing, other industries where finishing internal diameters is necessary.

Features:

• Grips abrasive allowing you to reach tight internal diameters
• Versatile mandrel holds a 1" wide strip of Scotch-Brite non-woven material, cut to the length needed for the application
• Shank of the mandrel is secured into the collet assembly or drill chuck of a rotary power tool
• Shank fits a 1/4" power tool collet or drill chuck
• Max 14,000 RPM