On Sep 30, 7:54*pm, "Ed Huntress" wrote:
"Jim Wilkins" wrote in message

Don't count on drill bits as gages, Jim. They're tapered, as much as 0.003"
toward the butt end. That's true of even the highest quality ones.

Put a mike on a few bits to see.
Ed Huntress

I should have written -round- to a thousandth, for indicating runout.
The dowel pins are -accurate- to perhaps 0.0002".