Trev's Vintage Machine Shop

This is a set of 1/4 BSW (British Standard Whitworth) oval raised slotted countersunk screws with slightly domed heads, made from stainless steel. Each screw has a 1/4 BSW thread (20 TPI), the male thread typically measures 0.242 in (6.16 mm) diameter, and the heads are approx 0.427 in (10.86 mm) diameter.

These are available in the following lengths:

• 3/4 in (0.75in, 1.91 cm)
• 7/8 in (0.875in, 2.22 cm)
• 1 in (2.54 cm)
• 1 7/16 in (1.4375 in, 3.65 cm)
• 1 1/2 in (1.5 in, 3.81 cm)
• 2 in (5.08 cm)

They are sold in sets of 2, 4, 6, 8 or 10 screws. These are good quality, new old stock vintage screws. Most screws look like new, a few may have minor marks from storage. All items are dispatched quickly via Royal Mail 2nd Class, with tracked postage 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.