> I'm no expert, but wouldn't this be prone to breaking bits? I
> know if I try to drill a hole (on a larger scale mind you) either
> the drill bends, or the work shifts. I guess if you have a drill
> that is short enough, sharp enough, and spinning fast enough,
> it's not a problem, right?
>
> Josh

I don't have any problems when making slots on my own boards,
eg for the DC sockets that Howard mentioned. It's fairly easy
using the shank-ward twists (ie 1/4" or less out from the chuck)
on a 1mm cobalt bit doing 20,000rpm and routing from hole to
hole with the bit at ~45 degrees. Absolutely you have to be in
control of the drill and the board and take it steadily. I prefer to
hand-hold both to gauge the pressure better but the board could
be in a vice, depends really on whether you can find a comfortable
and safe (for the bit) position to do it either way

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