On Sun, 16 Aug 2015 12:02:51 -0400, Leon Fisk
wrote:

On Sun, 16 Aug 2015 07:36:19 -0500
Pete Keillor wrote:

snip
Thanks all. Lloyd, yeah I'm retired and I think it'd be educational,
plus I already spent an hour or two picking and pecking at it.

I know you want an excuse/reason to build your own EDM but...

Jody has a nice youtube video on getting taps and such out with a TIG
welder. Which now we know you have a nice one available to use ;-)

===
"Remove a Broken Tap, Exhaust Stud, or Pressed Pin with TIG welder"

https://www.youtube.com/watch?v=ffR2pGVGHbg
===

You can do a fair amount of that with careful use of a stick welder as
well

https://picasaweb.google.com/1040422...99967411797682

https://picasaweb.google.com/1040422...99997476568770