NOT KNOWN FACTS ABOUT G76 TOTO

Or do you have got plan it at 0 degrees if you want to run a finish later on? Sorry for that questions but I have to possess this this all discovered right before I pop a twelve' shaft in this lathe that requirements threads. Anything smaller if I messed it up would not be a giant offer, but scrapping a 12" dia. x twelve' lengthy shaft is kind of Y