Quote:
Originally posted by ninjamini
But how did you drill a hole clean through the rock with out it breaking in half? How big were the rocks? What was the smallest rock you had success with?
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We used a very long masonry bit ~ at least 10" long. A couple of rocks did break in half during drilling but for the most part they held up well. The smallest rocks are at the top and I'd say those are about 6-8" in size.