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British Association (BA)47.5° thread form, commonly used on electrical systems, particularly on old British cars, bikes, buses etc. Up to Our Products
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4BA Flat Washer Multipack 100
4BA Flat Washer Multipack 100Table 3 pattern, light £1.76 (£1.50 ex VAT Qty Add to cart... More Details...
6BA x 1" Slotted Cheese Head Screw
6BA x 1

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Socket Setscrew Cup Point (Grub Screw)
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.14 (£0.12 ex VAT Qty Add to cart... More Details...
6BA Flat Washer Multipack 100
6BA Flat Washer Multipack 100Table 3 pattern, light £1.76 (£1.50 ex VAT Qty Add to cart... More Details...
4BA Flat Washer
4BA Flat WasherTable 3 pattern, light £0.02 (£0.02 ex VAT Qty Add to cart... More Details...
6BA x 3/4" Slotted Raised Countersunk Screw
6BA x 3/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Oval Head Countersunk screw - length measured overall

£0.20 (£0.17 ex VAT Qty Add to cart... More Details...
6BA x 1/2" Slotted Raised Countersunk Screw
6BA x 1/2

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Oval Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Slotted Raised Countersunk Screw
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Oval Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1/4" Slotted Raised Countersunk Screw
6BA x 1/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Oval Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1/4" Slotted Cheese Head Screw
6BA x 1/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.14 (£0.12 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Slotted Cheese Head Screw
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... (190 In stock) More Details...
6BA x 1/2" Slotted Cheese Head Screw
6BA x 1/2

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.16 (£0.14 ex VAT Qty Add to cart... More Details...
6BA x 3/4" Slotted Cheese Head Screw
6BA x 3/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1" Slotted Round Head Screw
6BA x 1

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 3/4" Slotted Round Head Screw
6BA x 3/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1/2" Slotted Round Head Screw
6BA x 1/2

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 3/8" Slotted Round Head Screw
6BA x 3/8

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.16 (£0.14 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Slotted Round Head Screw
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.15 (£0.13 ex VAT Qty Add to cart... More Details...
6BA x 1/4" Slotted Round Head Screw
6BA x 1/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.14 (£0.12 ex VAT Qty Add to cart... More Details...
6BA x 1/4" Slotted Countersunk Screw
6BA x 1/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.15 (£0.13 ex VAT Qty Add to cart... (163 In stock) More Details...
6BA x 5/16" Slotted Countersunk Screw
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 3/8" Slotted Countersunk Screw
6BA x 3/8

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1/2" Slotted Countersunk Screw
6BA x 1/2

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 3/4" Slotted Countersunk Screw
6BA x 3/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.19 (£0.16 ex VAT Qty Add to cart... More Details...
6BA x 1" Slotted Countersunk Screw
6BA x 1

British Association thread 47.9 TPI

Major Diameter 0.11" (2.79mm approx)

Flat Head Countersunk screw - length measured overall

£0.21 (£0.18 ex VAT Qty Add to cart... More Details...
6BA x 3/4" Hex Setscrew
6BA x 3/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.20 (£0.17 ex VAT Qty Add to cart... More Details...
6BA x 1/2" Hex Setscrew
6BA x 1/2

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Socket Setscrew Cup Point Multipack 20
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£2.35 (£2.00 ex VAT Qty Add to cart... More Details...
6BA x 5/16" Hex Setscrew
6BA x 5/16

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
6BA x 1/4" Hex Setscrew
6BA x 1/4

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... (20 In stock) More Details...
6BA Full nut
6BA Full nut

British Association thread 47.9 TPI

Major Diameter 0.11" (2.8mm approx)

£0.12 (£0.10 ex VAT Qty Add to cart... More Details...
6BA Flat Washer
6BA Flat WasherTable 3 pattern, light £0.02 (£0.02 ex VAT Qty Add to cart... More Details...
4BA x 1" Slotted Raised Countersunk Screw A2
4BA x 1

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

Oval Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
4BA x 1/4" Hex Setscrew
4BA x 1/4

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.14 (£0.12 ex VAT Qty Add to cart... More Details...
4BA x 5/8" Slotted Raised Countersunk Screw A2
4BA x 5/8

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

Oval Head Countersunk screw - length measured overall

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
4BA x 9/16" Slotted Round Head Screw
4BA x 9/16

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.16 (£0.14 ex VAT Qty Add to cart... More Details...
4BA x 3/8" Slotted Round Head Screw
4BA x 3/8

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.15 (£0.13 ex VAT Qty Add to cart... More Details...
4BA x 3/8" Slotted Cheese Head Screw
4BA x 3/8

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.19 (£0.16 ex VAT Qty Add to cart... More Details...
4BA x 3/8" Slotted Mushroom Head Screw Multipack 100
4BA x 3/8Truss Head / Large Pan Head £4.70 (£4.00 ex VAT Qty Add to cart... More Details...
4BA x 5/16" Slotted Raised Countersunk Screw A2
4BA x 5/16

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

Oval Head Countersunk screw - length measured overall

£0.15 (£0.13 ex VAT Qty Add to cart... (1 In stock) More Details...
4BA x 1/2" Slotted Raised Countersunk Screw A2
4BA x 1/2

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

Oval Head Countersunk screw - length measured overall

£0.14 (£0.12 ex VAT Qty Add to cart... More Details...
4BA x 5/8" Slotted Cheese Head Screw
4BA x 5/8

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... (194 In stock) More Details...
4BA x 1" Slotted Cheese Head Screw
4BA x 1

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.20 (£0.17 ex VAT Qty Add to cart... More Details...
4BA x 3/4" Slotted Cheese Head Screw
4BA x 3/4

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.19 (£0.16 ex VAT Qty Add to cart... More Details...
4BA x 1/2" Slotted Cheese Head Screw
4BA x 1/2

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
4BA x 5/16" Slotted Cheese Head Screw
4BA x 5/16

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.19 (£0.16 ex VAT Qty Add to cart... (197 In stock) More Details...
4BA x 1/2" Slotted Round Head Screw
4BA x 1/2

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.19 (£0.16 ex VAT Qty Add to cart... More Details...
4BA x 3/4" Slotted Round Head Screw
4BA x 3/4

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.18 (£0.15 ex VAT Qty Add to cart... More Details...
4BA x 1" Slotted Round Head Screw
4BA x 1

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

£0.20 (£0.17 ex VAT Qty Add to cart... More Details...
4BA x 1" Slotted Countersunk Screw
4BA x 1

British Association thread 38.49 TPI

Major Diameter 0.142" (3.6mm approx)

CSK screws length measured overall including head

£0.21 (£0.18 ex VAT Qty Add to cart... More Details...
(Page 1 of 3) >>

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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.