The 402 mandrel is used primarily with cut-off wheels but is used with the following Dremel accessories:

409, 411, 412, 413, 420, 423, 425, 426, 456, 511, 512, 540 and 541

• Used primarily with Dremel polishing bits and accessories
• For use in all Dremel rotary tools
• 3.2MM (1/8") shank

User Tips

• Insert the small screw through the hole in the cut-off wheel then tighten the screw into the mandrel's threaded head.