Guy, did you use some oil to reduce friction/heating? Did you slow the
drill speed way down to reduce heating?
73,
Gerald K5GW
In a message dated 3/23/2010 11:12:03 P.M. Central Daylight Time,
guy_molinari@hotmail.com writes:
Hi all,
I don't know why this is so hard. I'm trying to drill out some hole on
some 3/8" steel plates that I'm going to have galvanized. I bought a
13/32" drill bit and it worked great for about 10 holes or so. The problem
is
that I have about 140 more to go. Any recommendations on a good quality
drill bit?
73,
Guy, N7ZG
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