5/16" BSW (Pre-war size)

5/16" British Standard Whitworth Pre War Nuts. All our nuts are machined from round bar in the following materials: -En3b A standard of steel perfect for nuts and conditions where heat will not affect the materials structure. Ideal for steam engines. -En8 is a slightly tougher material where a bit more strength is require. (Can be heat treated) -Stainless (304 grade) Used for applications where you need corrosion resistance. -Brass Mainly used for some electrical applications or visual effect. Can't find what you need? We make custom nuts and bolts to almost any specification, so if you need something bespoke please contact us. Contact Us

For more information on 5/16" BSW (Pre-war size) talk to Historic Threads