Hi All
I have found out that it is a 7/16" x 28tpi UNS (UNIFIED EXTRA FINE) and is of 60 deg form. The threads on the canisters are rolled form there for have a big root dia., thus you should use 0.410" dia as a tapping size.
Regards,
Gerald
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to G scale model train owners and enthusiasts. Come join the discussion about collections, displays, models, styles, scales, reviews, accessories, classifieds, and more!