Originally Posted by
JohnDThompson
An advantage of using the same thread on both sides of the bottom bracket is that the shell can be threaded on a lathe, simply running the tap through from one side all the way to the other. Dave Tesch told me that was why he liked using Italian thread on his frames.
most of the French and Italian thread BB shells i have seen are not done all through.
Although Pino expected you to be capable of that. A Var tap would be needed, Campagnolo / Cobra ... no dice.
I would have to check my S-22, Beef, its what's for dinner.