Nylon washer under bolt head to protect wheel cover, Nylon washer on the back side to hold the bolt in, Bolt has a bullet nose for quick start, Bolt has 7/16” head for socket clearance, 5/16"-18 thread.
Dominator Racing Products 1012-B-OR Wheel Cover Bolt-On Orange
Wheel Cover Bolt, 1/4 Inch
KEIZER WHEEL,12 BOLT,10x6",4",BEADLOCK & COVER,MINI SPRINT,FACTOR 1,PMP,XXX,PACE
KEIZER WHEEL,12 BOLT,10x6",4,BEADLOCK & COVER,MICRO-SPRINT,STALLARD,SAWYER,HYPER
KEIZER ALUMINUM WHEEL,12 BOLT DIRECT MOUNT,10x6",4",BEADLOCK & MUD COVER,POLISH
Wehrs Machine WM377S Wheel Cover Conversion Nut and Bolt 1/4-20