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4ba one-size-smaller half nuts

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simon Hewitt 126/03/2019 09:50:07
38 forum posts
6 photos

Does anyone know where I can get 4BA half-nuts, one size smaller?

I can get one-size-smaller, and I can get half nuts, but not both at once.

Thanks

Simon H.

David George 126/03/2019 10:02:45
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753 forum posts
261 photos

Hi Simon

How about machining them to correct thickness on a lathe etc. Hold them on a screw locked to other nuts and just face to length.

David

Michael Gilligan26/03/2019 10:04:57
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12921 forum posts
555 photos

I think you may be asking the impossible impractical, Simon

Have you compared the thickness of a half 5BA nut with the pitch of 4BA ?

MichaelG.

.

P.S. Skimming down some full nuts to a realistic height might be the best option.

Edit: David beat me to that ^^^

Edited By Michael Gilligan on 26/03/2019 10:05:57

JasonB26/03/2019 10:16:32
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Moderator
15167 forum posts
1548 photos

I never buy locknuts. just reduce the height of standard ones.

John Baguley26/03/2019 11:19:31
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414 forum posts
46 photos

Alternatively, buy 5BA and retap them 4BA.

John

FMES26/03/2019 11:27:29
570 forum posts
1 photos

Simon, I think you need these, **LINK** and then plane them down to the required thickness as David suggests

Regards

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