5/16-18 x 1 Hex Head Cap Screw

Description

Hex head cap screw. Duplicate of 1930’s Scripps marine engine fastener.

Material: 4140, heat treat grade 8
Finish: Black oxide
Thread: 5/16-18
Thread length: Fully threaded
OAL: 1.00
Head height: .250
Hex: 1/2

Additional information