BSW Pre-War Castle Nuts

5/8" BSW Castle Nuts

Quantity Range

Unit Price

Unit Saving



No Saving

2 - 5


No Saving

6 - 10



11 - 25






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5/8" British Standard Whitworth pre war castle nuts.

All our nuts are machined from round bar in the following materials:

A standard of steel perfect for nuts and conditions where heat will not affect the materials structure. Ideal for steam engines.

is a slightly tougher material where a bit more strength is required. (Can be heat treated)

-Stainless (304 grade)
Used for applications where you need corrosion resistance.  

Mainly used for some electrical applications or visual effect.

All prices are excluding VAT.
For multiple batches of 10 and 25, please select correct Quantities for discounts to apply.
If larger quantities are required, please contact us to discuss.

Quantity Price per nut Total Saving
5 £2.00 £0
10 £1.90 £1.00
25 £1.80 £5.00


Sizing Chart Sizing Chart


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.

Weight 0.065kg