Subject: Re: Help! strange British pipe thread
I wrote:
> It is about the same diameter as 3/8 NPT (about .650 across the
>threads) It has about but not exactly 20 threads per inch. The closest
>metric thread pitch is 1.25. It is straight, not tapered. It is used
>both as a pipe fitting thread and the thread for the compression nut
>on a 3/8 inch cone fitting.
> Can anyone identify this thread?
The thread has been identified as 3/8 BSP.F .656 across the threads,
19 threads per inch. My thanks to all who responded. Now if I can just
find a place to beg/borrow/buy such a tap, I'll be all set.
Thanks a lot,
Wayne Simpson AT&T Bell Labs, Holmdel, NJ, USA
wms@spin.ho.att.com
(908) 949-0482
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