Trev's Vintage Machine Shop

This is a set of BSF (British Standard Fine) full hex nuts, made from steel. These are good quality bar turned nuts with machine cut threads, and double chamfered. They are available in the following sizes:

• 5/16 BSF (22 TPI): these measure 0.525 in (13.3 mm) across the flats, and they are 0.25 in (6.4 mm) deep.
• 3/8 BSF (20 TPI): these measure 0.6 in (15.2 mm) across the flats, and they are 0.306 in (7.8 mm) deep.

They are sold in sets of 2, 4, 6, 8 or 10 nuts. These are new old stock, some nuts may have minor marks or slight spots of surface rust from storage. All items are dispatched quickly via Royal Mail 2nd Class, with 1st Class available at extra cost.

Not what you want? Return the item unused for a refund.

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Free postage to UK mainland only. If you have any questions then please ask.