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Old 04-29-2013, 06:47 PM   #33
LuciferMutt
Rides slow bike slow
 
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Joined: Aug 2008
Location: New(er) Mexico
Oddometer: 10,777
I've had limited success with only two methods:

-shattering the tap with a center punch, then picking/blowing out the remains

-fishing a piece of stiff but thin wire into each flute, then grabbing the protruding ends of the wire with a pair of linemans as close to the surface as possible and twisting it back and forth. This is the poor mans tap extractor. The real tap extractors have never worked for me!

Beyond that, take the part somewhere with an EDM tap burner and have it vaporized. Small, special EDMs specifically for removing broken taps/drills are sold. My trade school shop had an ancient one...it wasn't even called an EDM, but an arc something or other...can't remember.
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