[modeleng] Re: unknown thread
- From: "alanjstepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 15 Oct 2004 15:02:52 +0100
Thanks Tim.
I knew someone would know.
alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
www.alanstepney.info
Model Engineering, Steam Engine, and Railway technical pages.
----- Original Message -----
From: "Tim Rickard" <the_viffer@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Friday, October 15, 2004 1:03 PM
Subject: [modeleng] Re: unknown thread
I should get out more.
It is the Royal Microscopal Society thread devised in 1866 36 threads per
inch of the 55° Whitworth form. The male thread has an outer diameter of
0.7965 inch (between 0.7952 inch and 0.7982 inch). The female thread, in the
nosepiece, has a top-of-thread diameter between 0.8030 inch and 0.8000 inch.
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