Counter sunk, flat headed bolts with lock washers are 1" long and have 5/16"-24 thread as original. Package of 5 bolts to service one door.
1946-60 Buick models
1946-60 Oldsmobile models
1946-60 Cadillac models
1955-57 Chevy Station Wagons, Bel-Air Nomad, Bel-Air Townsman (tailgate hinge to body)
1961-62 Chevy Corvette doors (upper and lower hinge to body)