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thread size

2pounder

2pounder

Well-Known Member
Premium Member
If I remember correctly British 2inch fuze threads are 14tpi, but what are American modern similar size threads, dia pitch please as I have a 2'' x 12 tpi UN tap and wonder if it is any use for tidying up shell threads.
 
The Unified thread we adopted from the US to replace the Whitworth form 2" GS gauge was 2" x 12 tpi UNS. We use(d) a number of US fuzes and that was the thread specification. I can't speak for all US fuzes, but if 2" gauge, I would imagine so.

TimG
 
Thanks Tim, will bring it to the ECRA meet hopefully someone makes me an offer.
 
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