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checking dies

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checking dies
Parazine Offline
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Joined: Aug 2017 Posts: 882 Threads: 48
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Location: North Wiltshire
Car type: 1927 Chummy, 1938 Big Seven 1/2 a Trials Chummy
#3
17-12-2019, 02:29 PM (This post was last modified: 17-12-2019, 02:30 PM by Parazine.)
British Standard Cycle (BSC) uses 26 TPI for all threads 1/4" and over. It is a 60 degree thread form.

British Standard Brass (BSB) always uses 26 TPI in sizes from 1/8" to 2". It is a 55 degree Whitworth thread form.

In practice, almost interchangeable, although purist will howl!
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Messages In This Thread
checking dies - by JonE - 17-12-2019, 02:01 PM
RE: checking dies - by Ian McGowan - 17-12-2019, 02:16 PM
RE: checking dies - by Parazine - 17-12-2019, 02:29 PM
RE: checking dies - by JonE - 17-12-2019, 02:48 PM
RE: checking dies - by Paulinos - 17-12-2019, 03:55 PM
RE: checking dies - by Nick Lettington - 17-12-2019, 05:28 PM
RE: checking dies - by Austin Carr - 17-12-2019, 06:18 PM
RE: checking dies - by Ian McGowan - 17-12-2019, 08:27 PM
RE: checking dies - by Nick Lettington - 18-12-2019, 12:20 AM
RE: checking dies - by Bob Culver - 18-12-2019, 03:46 AM
RE: checking dies - by Chris KC - 18-12-2019, 08:21 AM
RE: checking dies - by JonE - 18-12-2019, 02:03 PM
RE: checking dies - by Ian McGowan - 18-12-2019, 04:08 PM
RE: checking dies - by JonE - 18-12-2019, 04:27 PM
RE: checking dies - by Ian McGowan - 18-12-2019, 04:32 PM
RE: checking dies - by Chris KC - 18-12-2019, 05:52 PM
RE: checking dies - by JonE - 18-12-2019, 07:27 PM
RE: checking dies - by Steve Jones - 18-12-2019, 07:39 PM
RE: checking dies - by Howard Wright - 18-12-2019, 08:39 PM
RE: checking dies - by Henry Harris - 18-12-2019, 09:49 PM
RE: checking dies - by Bob Culver - 19-12-2019, 01:20 AM
RE: checking dies - by JonE - 19-12-2019, 09:31 AM
RE: checking dies - by AustinWood - 19-12-2019, 10:59 AM
RE: checking dies - by JonE - 19-12-2019, 12:59 PM
RE: checking dies - by JonE - 21-12-2019, 10:17 AM

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