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 FASTENERS




British Standard Whitworth (BSW)55° thread form, now practically obsolete, and many of the common sizes are now becoming difficult or impossible to source.   Whitworth fasteners share thread pitches (TPI) with UNC between 3/16" and 7/16" diameters. Up to Our Products
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1/4 BSW x 1" Hex Setscrew A2 Multipack 50
1/4 BSW x 1British Standard Whitworth thread 20 TPI

Multipack 50
£11.75 (£10.00 ex VAT Qty Add to cart... More Details...
5/16 BSW x 4" Slotted Round Head Screws 10 pack + Nuts
5/16 BSW x 4Multipack 10 screws + 10 nuts + 20 washers £5.88 (£5.00 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1" Hex Setscrew A2 Multipack 20
1/4 BSW x 1British Standard Whitworth thread 20 TPI

Multipack 20
£5.88 (£5.00 ex VAT Qty Add to cart... More Details...
5/16 BSW x 1" Slotted Round Head Screw A2
5/16 BSW x 1British Standard Whitworth thread 18 TPI £0.47 (£0.40 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1" Slotted Cheese Head Screw A2
1/4 BSW x 1British Standard Whitworth thread 20 TPI £0.59 (£0.50 ex VAT Qty Add to cart... More Details...
1/4 BSW x 3/4" Slotted Cheese Head Screw A2
1/4 BSW x 3/4British Standard Whitworth thread 20 TPI £0.47 (£0.40 ex VAT Qty Add to cart... (33 In stock) More Details...
1/4 BSW x 1" Hex Setscrew A2
1/4 BSW x 1British Standard Whitworth thread 20 TPI
£0.41 (£0.35 ex VAT Qty Add to cart... More Details...
1/4 BSW x 3" Hex Bolt A2
1/4 BSW x 3British Standard Whitworth thread 20 TPI
£1.18 (£1.00 ex VAT Qty Add to cart... (9 In stock) More Details...
5/16 BSW x 5/8" Hex Setscrew Multipack 50
5/16 BSW x 5/8British Standard Whitworth 18 TPI

Multipack 50 £11.16 (£9.50 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1.1/4" Hex Bolt A2
1/4 BSW x 1.1/4British Standard Whitworth thread 20 TPI
£0.47 (£0.40 ex VAT Qty Add to cart... (233 In stock) More Details...
1/4 BSW x 1.1/4" Hex Setscrew - Multipack 20
1/4 BSW x 1.1/4British Standard Whitworth thread 20 TPI

Multipack 20 £5.88 (£5.00 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1.1/4" Hex Setscrew A2
1/4 BSW x 1.1/4British Standard Whitworth thread 20 TPI
£0.47 (£0.40 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1.1/2" Hex Setscrew A2
1/4 BSW x 1.1/2British Standard Whitworth thread 20 TPI £0.47 (£0.40 ex VAT Qty Add to cart... More Details...
5/16 BSW x 1.1/2" Hex Bolt A2 - Multipack 10
5/16 BSW x 1.1/2British Standard Whitworth thread 18 TPI

multipack 10 £5.29 (£4.50 ex VAT Qty Add to cart... More Details...
5/16 BSW x 3/4" Hex Setscrew A2
5/16 BSW x 3/4British Standard Whitworth thread 18 TPI £0.47 (£0.40 ex VAT Qty Add to cart... More Details...
5/16 BSW x 1.3/4" Hex Bolt A2
5/16 BSW x 1.3/4British Standard Whitworth thread 18 TPI £0.88 (£0.75 ex VAT Qty Add to cart... (124 In stock) More Details...
5/16 BSW x 3" Hex Bolt
5/16 BSW x 318 TPI
55º thread angle
0.525" AF £1.76 (£1.50 ex VAT Qty Add to cart... (38 In stock) More Details...
3/8 BSW x 2.1/2" Slotted Countersunk Screw
3/8 BSW x 2.1/2British Standard Whitworth thread 16 TPI

competitively priced to clear
£0.71 (£0.60 ex VAT Qty Add to cart... (5 In stock) More Details...
3/8 BSW x 1.3/4" Slotted Countersunk Screw
3/8 BSW x 1.3/4British Standard Whitworth thread 16 TPI

competitively priced to clear
£0.59 (£0.50 ex VAT Qty Add to cart... More Details...
1/2 BSW Full Nut Multipack 10
1/2 BSW Full Nut Multipack 100.820" Hexagon, 12 TPI, cold forged £5.88 (£5.00 ex VAT Qty Add to cart... More Details...
3/8 BSW Full Nut Multipack 20
3/8 BSW Full Nut Multipack 2016 TPI
55º thread angle
0.600" AF
£4.70 (£4.00 ex VAT Qty Add to cart... More Details...
5/16 BSW Full Nut Multipack 50
5/16 BSW Full Nut Multipack 5018 TPI
55º thread angle
0.525" AF £8.81 (£7.50 ex VAT Qty Add to cart... More Details...
5/16 BSW Full Nut
5/16 BSW Full Nut18 TPI
55º thread angle
0.525" AF £0.24 (£0.20 ex VAT Qty Add to cart... More Details...
1/4 BSW Full Nut Multipack 50
1/4 BSW Full Nut Multipack 5020 TPI
55º thread angle
0.445" AF £6.46 (£5.50 ex VAT Qty Add to cart... More Details...
1/4 BSW Full Nut Multipack 20
1/4 BSW Full Nut Multipack 2020 TPI
55º thread angle
0.445" AF £3.53 (£3.00 ex VAT Qty Add to cart... More Details...
1/2 BSW x 1" Hex Setscrew Multipack 6 + Nuts / Washers
1/2 BSW x 1British Standard Whitworth thread 12 TPI

6 Hex Screws, 6 Nuts, 12 Plain Washers, 6 Spring Washers £7.05 (£6.00 ex VAT Qty Add to cart... More Details...
5/16 BSW x 4" Slotted Round Head Screw A2
5/16 BSW x 418 TPI
55º thread angle
Fully Threaded

Reduced to clear £0.29 (£0.25 ex VAT Qty Add to cart... More Details...
5/16 BSW Full Nut Multipack 20
5/16 BSW Full Nut Multipack 2018 TPI
55º thread angle
0.525" AF £3.88 (£3.30 ex VAT Qty Add to cart... More Details...
5/16 BSW x 4" Slotted Round Head Screw A2 Multipack 20
5/16 BSW x 4Available to UK only due to weight

18 TPI
55º thread angle
Fully Threaded

MULTIPACK 20 REDUCED TO CLEAR £5.29 (£4.50 ex VAT Qty Add to cart... More Details...
3/8 BSW x 1" Hex Setscrew
3/8 BSW x 1British Standard Whitworth thread 16 TPI

£0.82 (£0.70 ex VAT Qty Add to cart... More Details...
1/2 BSW Full Nut
1/2 BSW Full Nut0.820" Hexagon, 12 TPI, cold forged £0.71 (£0.60 ex VAT Qty Add to cart... More Details...
5/16 BSW x 1/2" Slotted Round Head Screw
5/16 BSW x 1/2British Standard Whitworth thread 18 TPI £0.29 (£0.25 ex VAT Qty Add to cart... (1 In stock) More Details...
5/16 BSW x 5/8" Hex Setscrew Multipack 20
5/16 BSW x 5/8Whitworth 18 TPI

Multipack 20 £5.29 (£4.50 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1.1/4" Hex Bolt - Multipack 20
1/4 BSW x 1.1/420 TPI
55º thread angle
0.445" AF
£5.88 (£5.00 ex VAT Qty Add to cart... More Details...
1/4 BSW x 1.1/2" Hex Setscrew - Multipack 20
1/4 BSW x 1.1/21/4 BSW - 20 TPI

Multipack 20 £4.70 (£4.00 ex VAT Qty Add to cart... More Details...
5/16 BSW x 1.1/2" Hex Bolt A2
5/16 BSW x 1.1/2British Standard Whitworth thread 18 TPI £0.71 (£0.60 ex VAT Qty Add to cart... (103 In stock) More Details...
5/8 BSW x 1.3/4" Hex Bolt
We are unable to source further stock of BS Whitworth. When it's gone, it's gone! £1.18 (£1.00 ex VAT Qty Add to cart... (62 In stock)
3/8 BSW x 3" Hex Bolt
3/8 BSW x 316 TPI
55º thread angle
0.600" AF £2.94 (£2.50 ex VAT Qty Add to cart... (9 In stock) More Details...
3/16 BSW Full Nut Multipack 50
3/16 BSW Full Nut Multipack 50British Standard Whitworth 24 TPI

Multipack 50
£4.11 (£3.50 ex VAT Qty Add to cart... More Details...
3/8 BSW x 2.1/4" Hex Bolt
3/8 BSW x 2.1/4

16 TPI
55º thread angle
0.600" AF

£2.17 (£1.85 ex VAT Qty Add to cart... (23 In stock) More Details...
5/16 BSW x 5/8" Hex Setscrew A2
5/16 BSW x 5/8British Standard Whitworth thread 18 TPI
£0.35 (£0.30 ex VAT Qty Add to cart... More Details...
3/8 BSW x 2" Slotted Countersunk Screw
3/8 BSW x 216 TPI
55º thread angle
£0.88 (£0.75 ex VAT Qty Add to cart... (3 In stock) More Details...
3/16 BSW Dome Nut
3/16 BSW Dome NutWe are unable to restock most lines of BS Whitworth. When its gone, its gone. £0.59 (£0.50 ex VAT Qty Add to cart... (20 In stock) More Details...
3/16 BSW Full Nut Multipack 20
3/16 BSW Full Nut Multipack 20British Standard Whitworth 24 TPI

Multipack 20
£2.06 (£1.75 ex VAT Qty Add to cart... More Details...
3/8 BSW Full Nut
3/8 BSW Full Nut16 TPI
55º thread angle
0.600" AF
£0.29 (£0.25 ex VAT Qty Add to cart... More Details...
1/4 BSW Full Nut
1/4 BSW Full Nut20 TPI
55º thread angle
0.445" AF £0.20 (£0.17 ex VAT Qty Add to cart... More Details...
3/16 BSW Full Nut
3/16 BSW Full NutBritish Standard Whitworth 24 TPI £0.12 (£0.10 ex VAT Qty Add to cart... More Details...
3/4 BSW x 2.1/2" Hex Bolt
55º thread angle

£2.94 (£2.50 ex VAT Qty Add to cart... (21 In stock) More Details...
1/2 BSW x 2" Hex Setscrew
1/2 BSW x 212 TPI
55º thread angle

£2.17 (£1.85 ex VAT Qty Add to cart... (9 In stock) More Details...
1/2 BSW x 1" Hex Setscrew
1/2 BSW x 1

12 TPI
55º thread angle
0.820" AF

£1.00 (£0.85 ex VAT Qty Add to cart... (131 In stock) More Details...
(Page 1 of 2) >>

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Placing an Order
Select the required item, click the desired quantity using 'Add to Cart' then proceed to checkout.
Payment using Credit/ Debit card or Paypal is seamlessly integrated.
During busy periods, it may not be possible for us to process your order by telephone only.

Tech Support
Help available 09:15 - 19:00 Mon-Fri.  tel +44 (0)1325 364767 

UK Royal Mail Deliveries 
1st Class Mail as standard.  Recorded and Next Working Day Delivery options available. 

Service Levels
Orders placed and paid for on-line by 14:30h will usually be despatched on that day. 
Heavier items may be sent Second Class or Standard Parcel service or by courier at our discretion
All orders require a valid postcode - please check if in doubt using Postcode Finder
Irish Republic customers please use EIRE as postcode.

Pricing Policy
Prices shown are in Pounds Sterling and include VAT @ 17.5%
Price is per one item unless stated - images may show two units for clarity. 
Delivery charges are not included in the list price.
Prices may be subject to alteration without notice.

Availability of BA / BSW Items
Due to the difficulty in locating new stocks of many BA and Whitworth lines you are welcome to phone / email first to check availability.

Payment for your order
Cleared payment must received for ALL orders prior to despatch - we do not offer credit account facilities

'Free' Samples
Our policy of No Minimum Order means that we do not send out free samples. 
You are welcome to purchase as few items as you wish.