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Bolt Thread standards
https://www.warbirdinformationexchange.org/phpBB3/viewtopic.php?f=26&t=52475
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Author:  L2Driver [ Tue Mar 11, 2014 11:16 am ]
Post subject:  Bolt Thread standards

A question for the machine-shop crowd.

Are NS threads and UNS threads the same?

Author:  Deuelly [ Tue Mar 11, 2014 11:47 am ]
Post subject:  Re: Bolt Thread standards

For the most part they are the same with only minor differences. Here's a web site that give you a good understanding.

http://www.ring-plug-thread-gages.com/ti-N-vs-UN.htm

Author:  L2Driver [ Tue Mar 11, 2014 5:18 pm ]
Post subject:  Re: Bolt Thread standards

Thanks! Apparently, in modern terms, my 5/8" 24NS is now 5/8"- 24 UNS-2A

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