Electrical Discharge machining:  http://www.engineersedge.com/edm.shtml
 
FWIW, I was advised that the best way to get a busted tap out of a BMW
trailing arm was with EDM. In my case, though, I acquired another
trailing arm. ;)
 
-=Chris
<-----Original Message----->
                 From: Bud Osbourne
Sent: 3/2/2006 6:37:09 PM
To: spritenut@comcast.net;spridgets@autox.team.net
Subject: RE: How do you 
>From the sound of it, I'd say (I assume it's not installed on an engine)
take it to a machine shop, and let THEM worry about it. May require EDM,
to 
remove. And, no, I don't know ANYTHING about the EDM process, or what it
stands for.
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