Quote:
Originally Posted by EricH
I'm going to disagree on that, Don. I'm willing to bet that with the right extra equipment, I could nail a 1.125" diameter hole with a hand drill, or two. I've done something similar before, though with a smaller hole. (I've hand-drilled one using a step drill, too. That was "fun".)
I'd be using some core drills, an egg cup or two, a drill block and clamps, and a bunch of bushings, ending with a reamer. For the larger holes, I'd use a much slower drill. It's definitely possible, but it'll take time. (I tried to hunt stuff like that up on McMaster yesterday, but no dice. Might have to try another source.)
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Eric, I have no doubt you could DO it. My point was that it's not SAFE to use a hand-held drill for such a large hole using the OP's twist drill setup. Core drills react differently to snags than twist drills.
That also doesn't mean I have never done it. But I know the dangers and addressed them. Case in point: I still have all my limbs, and in proper working order.