Author Topic: THREAD SIZE FOR #20 & 20U  (Read 5372 times)

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askimball (Doc)

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THREAD SIZE FOR #20 & 20U
« on: October 21, 2011, 11:56:58 pm »
I show 2 sizes::

5/16"-32
3/8"-24

My dies are 5/16-32, is this #20U size or #20...?????
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