Only one of the bed bolts spun. I'll try to add splines to the bolt before I put it back in.

This & the NEXT 2 pages show how to replace them with chy-neez copies of the later Ford design bed bolts. Ford bolts have Torx drive and the frame nuts are 1-piece made properly.

This page shows how to swap the bed bolts to the newer style that's easier to R&R: