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

Get a Grip
The 3M™ Mini Mandrel is an accessory that attaches to your die grinder or drill. It holds a 1-inch 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-inch long mini mandrel is useful in metal fabrication, woodworking and millwork, in the manufacture of medical instruments, turbine engine manufacture, plumbing, and other industries where finishing internal diameters is necessary.

• Grips abrasive allowing you to reach tight internal diameters
• Versatile mandrel holds a 1-inch-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 inch power tool collet or drill chuck
• Max RPM is 14,000

• Attachment Type: Shaft
• Maximum RPM: 14000
• Part Number: 935
• Product Type: Mandrel
• Thread Size: 1/4"M
• Type: Regular
• Width: 4 in