Originally Posted by
dsh1106
I have a tap that was made to .509 - .510 - 30, I used this to chase/restore the threads for any TL jr or 310 items that come my way. I looked into getting a die, but the wasn't worth it to me.
You might be able to buy a 5/8 - 30 die and tighten the lock screw down and get it down to .509-.510.
I can program and run any size thread I need at work, when the machines are empty, but we have been setup running steady for going on 3 years now. Good thing for business, bad thing for any government work.
Scott