Need to tap out a hole for a 1/4-20 bolt...anyone have any idea what size
is the proper drill? I've got 7/16 and 7/32 from the net, any idea which
is the right one?
Mike J. Shade: mshade@No-Spam
Sonoita Hills Observatory, Sonoita Arizona
See work done at the observatory: http://c3po.cochise.edu/astro
under the "photographs and images" panel on the left of the screen.
"I like the dark, it's cheap." E. B. Scrooge