[WIDESIDE72]

I used a milwaukee 1/2" drill with a handle that screws into the side co five better control. It didnt walk around because the drill bit keeps it centered. Drill the pilot hole first without the saw on the mandrel to avoid it grabbing when you drill through. I considered using my greenlee knockout set but the mandrel wasnt deep enough. I have a lot of cool tools that serve double duty being an electrician!
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