

| Subject: | Re: Heli-Coil tap and drill size needed as soon as poss |
| From: | Austin |
| Date: | Wed, 27 Jun 2001 20:08:52 -0700 |
At 11:13 PM 6/26/2001, you wrote: >American drill sizes half-inch and under include 1/16-1/2 by 64ths, then >numbers 0 (a bit under 1/4) to 80 (a bit under 0.02), then letters A (close >to 1/4) to Z (close to 1/2). > >The metric folks tend to fall on the floor in hysterics when they think >about this... <g> > >david Better yet (in the chuckle chuckle sense) is to look up an "E" drill: 0.2500" diameter, which also just happens to be 1/4" - go figure! (actually, there's probably a story there somewhere....) Austin
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