BA Zinc Plated Thin Industrial Lock Nuts

BA Industrial Thin Nuts Zinc
BA Industrial Thin Nuts Zinc (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 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