3M™, 7000028420, Disc Retainer Nut, 5/8 in Length, For Use With: Disc Sander and Right Angle Grinder
3M™ Disc Retainer Nut securely fastens a fiber disc to a disc pad hub or face plate for use with a rotary power tool. This nut is made to fit 3M disc hubs and face plates, but also fits fiber disc holders from other manufacturers.