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jindoguy(at)gmail.com
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 Posted: Thu Apr 27, 2006 5:36 pm Post subject: Drilling out broken dowel |
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Larry, Have you tried a carbide tipped masonry drill? If your pilot hole is
centered, a 1/4" bit sounds like the ticket. I've used them to drill out
high speed steel broken taps. Dowel pins are tough because they're inductio=
n
case hardened. After you get through the first .030" or so they're soft
underneath. sounds like your very near breaking though.
Incidentally, my experience is that Bosch drills are junk. I went through
four of them trying to drill out a single steel pop rivet. I went back to
Lowe's (closest to the hangar) got a Hitachi bit and drilled out over 20
rivets and it was still going strong.
--
Rick Girard
"Pining for a home on the Range"
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biglar
Joined: 14 Jan 2006
Posts: 457
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| Posted: Thu Apr 27, 2006 6:04 pm Post subject: Drilling out broken dowel |
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Thanks, Richard. Already tried the Hitachi, and no joy. Do
not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
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_________________
Larry Bourne
Palm Springs, CA
Building Kolb Mk IIIC
"Vamoose" |
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