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Smiths MA Speedo - fixing nut thread?
#4
Just thought I'd leave the result here for anyone who comes looking later...

Ordered some 4BA brass terminal nuts which are beautiful - but too small.
Tried 5/32 BSW, about the right size but the pitch was wrong.
Got out an even bigger magnifying glass and my best eyes, and re-counted the threads - 3BA?
Arrived this morning and they fit!

The ones I bought are light aluminium and don't seem very robust or pretty. 
I think I just might acquire a 3BA tap and run it through those lovely 4BA brass terminal nuts.
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RE: Smiths MA Speedo - fixing nut thread? - by Chris KC - 05-08-2024, 11:03 AM

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