Of course he wanted me to bore out some seriously odd shaped parts...dialing in the center on the 4 jaw chuck, trying to remember not to hit the internal keyway as I rotate the chuck around.
Taking a pass, I had to go lightly due to the interrupted nature of the cut.
Zeroing a caliper, with extensions, on a gage block stack. I checked diameter after each pass.
I set the tool to just kiss the bottom of the bore and zeroed a travel indicator.
Finished.
A few of the parts.
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