Have you ever seen thread like that?

[Paul Jones]

olderdan, I agree. Also the tailstock die holder solution with my MT3 taper has been more forgiving for me for potential crashes when cutting at higher speeds. The whole MT and die cutter holder is pulled out of the tailstock and just spins without a crash. Unfortunately this event is more annoying because the cut thread is three turns too short and have jam the MT end back into the tailstock for a final pass. Most of my 16+ mm diameter threads are single point threaded on the gear-head lathe and followed up with a finishing metric die. After changing a stud gear and cutting metric threads on my Imperial lathe it is a pain in going in reverse with the half nut engaged. I have done it before releasing the half nut but have to watch very closely when to engage the half nut on the next cut.