I have a thread. It is a part for a vintage car, for a temperature guage.
I have measured the OD to 12.55mm, so I guess the OD should be 1/2".
I have guaged 26tpi.
I don't have anything even close on my charts. Can someone tell me what it is?
Thanks. Dave Colliver.
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P
Peter A Forbes
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Peter
D
Dave
Thank you both.
One I had never heard of before.
Are nuts of this size still available (apart from our resident jailbird)?
Thanks. Dave.
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P
Peter A Forbes
I think not, although there may well be some stocks of old stuff knocking about.
You can still get taps and dies turn up, always worth looking out for them.
Peter
B
Bob Minchin
1/2" BSB is the thread often used on table lamps to hold the bayonet fitting into the lamp body. If you get one with a china/glass base you might find a nut or two. Try a jumble /car bbot sale.
If you want to borrow a tap and make some nuts then I think I have one somewhere. Let me know and I'll instigate a search in the furthest reaches of the workshop bobdotminchinatntlworlddotcom
Regards
Bob
J
John Stevenson
Dave,
What are you looking for ? material? nuts? or a fitting ? I have taps and dies here, no problem to run you a couple of bits off.
-- Regards,
John Stevenson Nottingham, England.
Visit the new Model Engineering adverts page at:-
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I
Ian Cockshull
Taps and Dies for BSB are available from Tracy Tools apparently. See
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Ian
In message , Dave writes
T
Tom
BSB: British Standard Brass.
Tom
T
Tom
Head for your local Brit bike restorer, 1/2" BSC is 26 tpi, albeit 60 degree thread angle.
Tom
C
chris1.reader
Hi Dave, It's Standard brass. 26 tpi, depth of thread .0246, core diameter.4508, tapping size 29/64. If you are restoring an antique car, why are you using foreign measurments? ATB Chris.
D
Dave
Hi
It is actually my father that restores vintage cars. Some of his cars can be seen here...
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(Mr Stevenson, you saw one when I came to see you last year, though the item is not for one of those)
Anyhow, I am younger than 40, so my measurements are in metric (though I can do English). It was just the micrometer I had to hand when I measured the threads, so I roughly translated it to english.
Mr Stevenson, as you are not too far from me (or my dad), (Kirkby-in-Ashfield), I have given him your details, so you may be getting a call from him pretty soon. He basically has a temperature guage and needs a nut for it.
Thanks everyone for your offers.
Best regards, Dave Colliver.
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