3M Disc pad Hub 28476, 2-1/2 in 5/8-11 Internal Low Profile, 10 per case

3M Disc Pad Hub has an internal threaded metal insert that threads onto the shaft of a sander and grinder to hold a disc pad face plate and fiber disc in place.

3M Integrated Solutions 7000045288 | 2.5000 in | Disc Backing Pad