I bought one of these to use instead of chamfering tool. Just unscrew from the hanle and chuck it in a drill. If you think you might not want to screw up the threads just pick up a hex coupler to fit think it cost 20 cents.
I have one by Lyman and it doesn't get enough of the crimp removed.
The Karma bus always has an empty seat when it comes around.- High Brass
There's battle lines being drawn Nobody's right if everybody's wrong