Manufacturers Of 5/16'' Pre War british Standard Whitworth (BSW) Set Bolts En8

5/16'' British Standard Whitworth (BSW) Pre-War Set Bolts with Traditional Radius Ends. Length is Measured from under the Head. Head thickness is 0.310'' AF 0.600'' .Each Bolt has at least 1.5' of Thread Length

For more information on Manufacturers Of 5/16'' Pre War british Standard Whitworth (BSW) Set Bolts En8 talk to Historic Threads