Threaded Adapter$3.62 For use on United Abrasives 1/4-20 threaded flap wheels Facilitates a quick change, thus less downtime 1-1/2″X1-1/2″X1/4″ Threaded Adapter quantity Add to cart SKU: UA-95050 Category: Sanding & Grinding More Information Variations Description Threaded Adapter Related products Drum Mandrel $2.96 – $4.95 Select options Drum Sander for Die Grinder $0.55 – $66.67 Select options Ferro Backing Pad $36.50 – $41.50 Select options Backing Pads for Fiber Discs $31.72 – $41.00 Select options