I've got a 1/2" drill. What I was thinking of doing was using a drill
guide like LV et al sell. But they only have 3/8" chucks on them.
The 3/4" LV brad point bit I have is 1/2" shanked, and that's the one
I'd wanted to use. It's not a big deal, I just used a 3/4" forstner
bit instead.

JP