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th May.


Here you have 5/8" X 20 BSCY Stainless steel nuts.
Produced as a direct replacement for the original BSA nuts but from
solid stainless steel.


Part number: 42-5864

Thread: 5/8" X 20 TPI (15.87mm)


These nuts were fitted to a wide number of locations on BSA's including:


42-5863 - Cable adjuster type fulcrum

42-5885 - Fulcrum pin

42-6352 - Hub anchor bolt

68-6025 - Hub Anchor Bolt


These nuts were fitted to a wide number of BSA's models including:

A7, A10, A50, A65, B31 B33, Gold star, Rocket gold star (RGS)


This item is made using CNC manufacturing in England by CPC Engineering with high-quality stainless steel.

42-5864 - Nut 5/8" BSCY 20 TPI

  • £6.00

  • Ex Tax: £5.00

  • 10 or more £5.40
  • 25 or more £4.80
  • 50 or more £4.20
  • 100 or more £3.60

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42-5863 - cable adjuster type fulcrum

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Tags: BSA, 42-5864, Nut, 5/8, BSCY, 20, TPI, 15.87mm, fulcrum, pin, nut, A7, A10, B31 B33, Gold star, Rocket, gold, star, RGS, stainless, steel, parts, for, sale, CPC, Engineering,