3M 28850 Unitized Wheel Mandrel, 1/4 in Shank, 3/4 in Dia, 2-1/8 in OAL, 14000 rpm

3M Unitized Wheel Mandrel, 1/4 in Shank, 3/4 in Wheel Dia, 3/4 in Shaft Length, 2-1/8 in Overall Length, 14000 rpm

• Designed to attach a Scotch-Brite brand unitized wheel to a rotary tool
• Small size enables access to small or intricate workpieces
• The flanges fit on either side of the wheel and are secured with the retainer nut
• Used in die grinders