Disc Retainer Nuts: For use with all 3M disc pad face plates,disc pads and 3M disc pad hubs; nuts have 5/8″-11 threaded arbor hole in three depths to accommodate grinder shaft lengths
Abrasive Parts & Accessories, Tools
3M AB05622 Fibre Discs – Accessories Fibre Discs – Accessories – Each
$7.66