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(All pictures are shown for illustration purposes only. Actual product may vary)

Arun Fasteners stock a range of BA (British Association) nuts and screws. We have now listed various BA nuts for sale on ebay.

www.ebay.co.uk/usr/arunfasteners

BA threads are used in miniature instruments and modelling and are popular in the model railway community. Somewhat opposite to other thread sizes, the largest is 0BA, up to the smallest we stock – 10BA.

Available – BA Zinc Plated Wing Nuts (packs of 50 nuts), available in 4BA

BA	Thread pitch	Outside diameter	Threads density	Outside diameter	Spanner
(mm)	(mm)	(in⁻¹)	(in)	(mm)	(in)
0	1.00	6.00	25.40	0.2362	10.5000	0.4134
1	0.90	5.30	28.22	0.2087	9.2750	0.3652
2	0.81	4.70	31.36	0.1850	8.2250	0.3238
3	0.73	4.10	34.79	0.1614	7.1750	0.2825
4	0.66	3.60	38.48	0.1417	6.3000	0.2480
5	0.59	3.20	43.05	0.1260	5.6000	0.2205
6	0.53	2.80	47.92	0.1102	4.9000	0.1929
7	0.48	2.50	52.92	0.0984	4.3750	0.1722
8	0.43	2.20	59.07	0.0866	3.8500	0.1516
9	0.39	1.90	65.13	0.0748	3.3250	0.1309
10	0.35	1.70	72.57	0.0669	2.9750	0.1171

Phillips Head Screwdriver

The Phillips head screwdriver was designed by Henry F Phillips and was patented in the 1930’s, it was designed to provide better contact with the screwdriver than the original flathead Screwdriver.

The Phillips’ head was designed to improve contact and torque. Its “X” design means it won’t slip out of the X-slotted screw. Instead, it grips the screw firmly in the center, provided it’s the suitable size for the screw.

We stock a large variety of Phillip headed screws for you to order today. call us on 01243 551484 or email [email protected]

Click on the link to view our catalogue.

https://arunfasteners.co.uk/stock-range/

BA Turret Nuts Zinc Plated are now available in our facebook shop go to www.facebook.com/arunfasteners

Do you have a boat, or are you thinking of getting one? Here at Arun Fasteners, we stock a wide range of marine grade fasteners.

To view our full stock range go to
https://arunfasteners.co.uk/

3BA Socket Cap Screws self colour, variety of lengths available now in our facebook shop www.facebook.com/arunfasteners

Are you restoring a classic vehicle? We stock a wide variety of BSF Fixings. BSF meaning British Standard Fine, an old style British thread. Often used on vintage British automobiles and machinery as its fine thread is preferred. Available in steel and stainless steel although stainless can now be difficult to source.

https://arunfasteners.co.uk/bsf/

BSW Castle Nuts are available now in our facebook shop, go to www.facebook.com/arunfasteners

BA Nuts

Arun Fasteners stock a range of BA (British Association) nuts and screws. We have now listed various BA nuts for sale on ebay.

www.ebay.co.uk/arunfasteners

BA Zinc Plated Hexagon Full Nuts (packs of 100), available in 0BA, 3BA, 4BA & 5BA

BA	Thread pitch	Outside diameter	Threads density	Outside diameter	Spanner
(mm)	(mm)	(in⁻¹)	(in)	(mm)	(in)
0	1.00	6.00	25.40	0.2362	10.5000	0.4134
1	0.90	5.30	28.22	0.2087	9.2750	0.3652
2	0.81	4.70	31.36	0.1850	8.2250	0.3238
3	0.73	4.10	34.79	0.1614	7.1750	0.2825
4	0.66	3.60	38.48	0.1417	6.3000	0.2480
5	0.59	3.20	43.05	0.1260	5.6000	0.2205
6	0.53	2.80	47.92	0.1102	4.9000	0.1929
7	0.48	2.50	52.92	0.0984	4.3750	0.1722
8	0.43	2.20	59.07	0.0866	3.8500	0.1516
9	0.39	1.90	65.13	0.0748	3.3250	0.1309
10	0.35	1.70	72.57	0.0669	2.9750	0.1171

Arun Fasteners stock a range of BA (British Association) nuts and screws. We have now listed various BA nuts for sale on ebay.

www.ebay.co.uk/arunfasteners

BA Brass Hexagon Full Nuts (packs of 50), available in 0BA, 1BA, 3BA, 4BA, 5BA & 6BA

BA	Thread pitch	Outside diameter	Threads density	Outside diameter	Spanner
(mm)	(mm)	(in⁻¹)	(in)	(mm)	(in)
0	1.00	6.00	25.40	0.2362	10.5000	0.4134
1	0.90	5.30	28.22	0.2087	9.2750	0.3652
2	0.81	4.70	31.36	0.1850	8.2250	0.3238
3	0.73	4.10	34.79	0.1614	7.1750	0.2825
4	0.66	3.60	38.48	0.1417	6.3000	0.2480
5	0.59	3.20	43.05	0.1260	5.6000	0.2205
6	0.53	2.80	47.92	0.1102	4.9000	0.1929
7	0.48	2.50	52.92	0.0984	4.3750	0.1722
8	0.43	2.20	59.07	0.0866	3.8500	0.1516
9	0.39	1.90	65.13	0.0748	3.3250	0.1309
10	0.35	1.70	72.57	0.0669	2.9750	0.1171

A busy half term at Arun Fasteners for our son Joseph….

Helping us pick an ebay order for some BA brass half lock nuts.

BA Industrial Thin Nuts Zinc (All pictures are shown for illustration purposes only. Actual product may vary)

BA Nuts

Arun Fasteners stock a range of BA (British Association) nuts and screws. We have now listed various BA nuts for sale on ebay.

www.ebay.co.uk/arunfasteners

BA Zinc Plated Thin Industrial Lock Nuts (packs of 25 nuts), available in 2BA

BA	Thread pitch	Outside diameter	Threads density	Outside diameter	Spanner
(mm)	(mm)	(in⁻¹)	(in)	(mm)	(in)
0	1.00	6.00	25.40	0.2362	10.5000	0.4134
1	0.90	5.30	28.22	0.2087	9.2750	0.3652
2	0.81	4.70	31.36	0.1850	8.2250	0.3238
3	0.73	4.10	34.79	0.1614	7.1750	0.2825
4	0.66	3.60	38.48	0.1417	6.3000	0.2480
5	0.59	3.20	43.05	0.1260	5.6000	0.2205
6	0.53	2.80	47.92	0.1102	4.9000	0.1929
7	0.48	2.50	52.92	0.0984	4.3750	0.1722
8	0.43	2.20	59.07	0.0866	3.8500	0.1516
9	0.39	1.90	65.13	0.0748	3.3250	0.1309
10	0.35	1.70	72.57	0.0669	2.9750	0.1171

What is a BSF Socket cap screw?

BSF Socket cap screws are screws with cylindrically shaped heads in alloy steel, hex socket inserts for Allen keys, probably the most common of the socket products, also available in stainless SIZE RANGE – 3/16 X 3/8 – 1 X 8

To order some screws today or for more information – please contact us on – Telephone – 01243551484 or email [email protected].

https://arunfasteners.co.uk/…/bs…/bsf-socket-cap-screws/

Phillips Head Screwdriver

UNC, UNF, BSF or BSW?

HIGH TENSILE GRADE

WHICH ALLEN KEY SHOULD I USE?

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