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Date:         Sun, 12 Mar 2000 12:30:43 EST
Reply-To:     JKrevnov@AOL.COM
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Rico Sapolich <JKrevnov@AOL.COM>
Subject:      Re: How to drill-out broken bolt extractor?
Comments: To: bpchristensen1@home.com
Content-Type: text/plain; charset="US-ASCII"


BP:
Boy, this is a tough one!  The surest way out of this mess is to remove the
head and take it to a shop with EDM ( electode discharge machining)
equipment.  Properly done, the original tapping may still be able to be used.
 Other than that, get some small grinding points, preferably diamond-coated,
and remove enough of the stud remnant to be able to get a grip on that
extractor.  Of course, do your best not to open up the mouth of the stud
hole.  Be mindful that Helicoils can atone for a multitude of sins.


This is tedious but, I know fronm experience that it is possible.  Good luck.
Rich
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