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From: jhillis@ihuxx.UUCP (Jeffrey Hillis)
Newsgroups: net.consumers
Subject: Re: Deadbolts in metal doors advice needed
Message-ID: <905@ihuxx.UUCP>
Date: Fri, 17-May-85 16:08:17 EDT
Article-I.D.: ihuxx.905
Posted: Fri May 17 16:08:17 1985
Date-Received: Sat, 18-May-85 01:46:25 EDT
References: <731@ssc-vax.UUCP> <1173@cbosgd.UUCP> <934@peora.UUCP>
Organization: AT&T Bell Laboratories
Lines: 19

> mark@cbosgd.UUCP (Mark Horton at AT&T Bell Laboratories, Columbus, Oh)
> writes:
> 
> > ... .75" bits cost an arm and a leg and require a 1/2" drill. (If you own a
> > drill, it's almost certainly a 1/4" or 3/8", too small for a .75" bit.)
> > Figure at least $50 for a drill that size...
> 
> You don't really have to buy a new drill, though.  You can get 1/2" drill
> chucks which are on the end of a 3/8" shaft; you put the 1/2" chuck into
> your drill's chuck, and put the drill into the 1/2" chuck, and use that.  I
> am not sure where these chucks come from; I have had one in my toolbox for
> many years, but I forgot where I got it. (It was from some place in Atlanta
> that sells power tools.)
> 
I have a 3/8" drill which I have used for years to drill holes up to
1 1/2" in diameter.  I use Irwin speed bits (sometimes called spade
bits) which are a flat bit mounted on a 3/8" shank.  These bits are
not recommended for use in a hand drill, but can be used easily and
effectively.