3M™ Star Mandrel 944, 1/4 in. x 1/4-20 EXT

?Our 3M™ Star Mandrel enables you to tightly secure Scotch-Brite™ Stars with 1/4-20 internal threads to your die grinder for safe performance. This accessory allows you to deburr inside diameters of pipe and tubing.

• Securely attaches Scotch-Brite™ Stars to die grinder
• Enables die grinder to reach internal diameters of pipes, tubing
• Shank size is 0.25 inches
• Thread size is 1/4-20 EXT
• Runs at maximum RPM of 24,100