Originally Posted by
Tartan
Peckish gave us a resource for superior threads but I don't know how to find it so I'll give you what I copied out.
Superior Thread has great info on their site. You can read their newsletter here
http://www.superiorthreads.com/newsletters/603/. The very first paragraph talks about thread size.
There is more in-depth information here:
http://www.superiorthreads.com/educa...ad-is-measured. If you click the "Education" button, you will find more than you ever wanted to know about thread.