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Old 06-11-2013, 10:58 AM
32-40win 32-40win is offline
Join Date: Oct 2010
Location: Calgary
Posts: 5,401

I'm wondering what you could have done, to do what you think you did, to the cases. The flash hole tool only needs a couple of turns to take off the punchout burr , if it is there, on the inside of the case. Don't need to mount it to a drill, or keep churning away at it, as though it were one. You can feel what it is taking off. It is really no different, in operation, to a chamfering tool. You will sometimes be surprised at what comes out, but, you'd really have to crank on it for a while to wreck a case.
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