Bolt Assembly For Slot Width 0.3 in Steel Zinc-Plated Fastener Thread Size 1/4 in -20 Fastener Thread Length 3/8 in T-Nut Flanged Button Head Socket Cap Threaded Hole Location Single Center Slide-In Inch Compatible Brand and Series 80/20 10 Series Compatible Manufacturer Model Number 2086 10 Series Package Quantity 15