Gottcha Bill, thanks. One of the many reasons IO don't work with things small enough that I can't see them.
Now it's time for my "Dumb Question". More like a dumb comment, but if you thread away from the shoulder, won't you have left handed threads? Even with the tool upside down, it seems the thread pitch would be left handed.
There are no dumb questions, only dumb answers.
This pdf will help. It saves trying to think about spindle rotation and doing the spiral cutting actions in the air with your fingers!
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Whilst this uses lay down inserts as the example, it is the same as when using HSS or other insert configurations.
