From:
Zhivago97@zzzzzzz
Date:
Mon, 7 Nov 2005 07:00:15 EST
Subject:
core drill bit
What's the proper way to use a core drill bit? I bought one of the
scintered diamond tipped types, 1.5" x 12", put it on my angle grinder, adjusted the
speed to a low rpm. this is a bit that is supposed to work on an angle
grinder.
there is so much vibration when the bit hits the stone surface it wants to
bounce off the stone. once i was able to get a hole started, the bit doesn't
cut into the marble. i could only get down about 1/2" into the marble.
i did try it on wonderstone and it cut into the stone far better than
marble, but still the same vibration issue.
tom k.
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