rod diameter for die threading
This may be a simplistic question but then I'm pretty simple...
My thread chart gives the OD of threads, e.g. .250 for 1/4-20 and .312
for 5/16-24.
Is it safe to assume that the OD given is the size of a rod one would
use for that size thread. Is there a rod diameter equivalent to the
75% or 100% tap drill size?
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