From:
CR Schiefer <schiefer@zzzzzzzzzz>
Date:
Thu, 24 Jun 2004 20:45:18 -0500
Subject:
drilling
When drilling , any stone with hammer drill, one must ALWAYS be careful
when drilling through any stone . Even a 1/4 in drill goes in at 1/4 in
but if you keep hammering and drill comes out, you get a n 1 or bigger
hole. Some 3/4 in drills will break out aa hole over 1 - 1/2 in, so if
you are drilling thin stone and you need the hole clear through ,
measure and drill both sides trying to meet in the middle, so as to get
the hol,e only the size of the drill bit..--cr
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