3M Mandrels & Adapters: Cartridge Roll, Cross Pad, Unitized Wheel & Roloc Mandrels

3M mandrels and adapters mount cartridge rolls, cross pads, unitized wheels, Roloc discs, and convolute wheels to die grinders, drills, and bench equipment. We carry cartridge roll mandrels, square and cross pad mandrels, unitized wheel mandrels, Roloc shanks and TS/TSM mandrels, and wheel adapter kits with 1/4 in and 6 mm shanks. See 3M Cartridge Rolls for the rolls these mandrels hold.