Press & Die Thread Pitch

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Get your dies concentric by not locking the die body and running a case or case and bullet into the die to align it and then, with the round in the die, tighten the lock ring.
Run case into sizing die and then lock the die down.
Run case into the expander/flare die and then lock the die down.
Run case and bullet into the sizing die by:
Run case all the way up, screw seating stem up and, if you want, out of the die, screw the die body down until it hits the crimp step and turn the die body up 1-2 full turns. Lower the case and place a bullet on it. Run the case/bullet up the die and screw the seating stem down until it contacts the bullet (without moving the die body), lower the case/bullet and turn the seating stem down (without moving the die) 1-2 full turns. Run the case/bullet up the die and you'll partially seat the bullet. With the case/bullet still in the die, lock the die body down. Adjust to COL.
Do the same with the crimp die until you get the crimp you want and, with the round still in the crimp die, lock down the die body.
 
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