I had no idea there were all these regional threads as well. I used to say how my Metrinch socket set, designed to work in both metric and various imperial hexes, including British standard, will work on Russian bolts of there's such a thing. There probably is.
I always wondered how BSF related to BSW, if at all.
Americans must lose their minds working on the multitude of cars from the BL fold and more.
And discussions on thread sizes, standards and pitches would take a very special girl indeed to enthrall her!
