Now there is a deal you cant resist smile FWIW I mentioned the 1/2" only because we were making big holes with a fairly inexpensive brand that did the job competently. Is there even such think as a 3/8 hammer drill? Making holes that size should be very simple affair.

DOG is GOD spelled backwards.
What others think of me is none of my business.
M80 V3 MY GLOSS Cherry