Why is a 1/2" Tap Shank Smalelr than a 3/8" Tap Shank?
DougC wrote:
Even pulley taps usually have the shank as large as the
thread profile.
The 1/4 - 20 pulley tap at school has a reduced shank I
know because I've used it to tap a very long deep hole
several times. I wish we had a 3/8 -16 one to match. :-)
...lew...
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