Follow this link for information on various thread forms http://www.gewinde-normen.de/en/me-thread.html
Model Engineer (ME) thread form 55 degrees thread angle compatible with Whitworth and WF threads
Follow this link for information on various thread forms http://www.gewinde-normen.de/en/me-thread.html
Model Engineer (ME) thread form 55 degrees thread angle compatible with Whitworth and WF threads