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Old 04-20-2013, 08:06 PM   #11
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Joined: Dec 2008
Location: Vagabond Hippie
Oddometer: 2,617
Originally Posted by S/W View Post
Another method I have used is to shatter the tap with a center punch.
I have tried that always left a broken tap in a completely f'ed up hole that could no longer be removed with any method other than our portable EDM.

I could see it working in thin plate where you only need to break a couple threads of the tap to get it to come out the other side. It has not worked for me in heavier materials.

To me, it is not even a viable option any more...YMMV.
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