Further testing needed ...

   I got the back plate finished for the 3 inch chuck and I'm a bit disappointed at my initial testing results . I've measured .015 runout on a piece of 1/2 inch stock that I'm pretty sure is straight . Might be the jaws since the chuck body indicates about .004 near the face . These are the inside step jaws and the clamping surface is not very long so that may be part of it . I'll be installing the outside step jaws tomorrow and checking them - it came with 2 sets of those , one which matches the chuck s/n and one that doesn't . The inside step set I have installed do not match numbers ... aaahhh , what should I expect for a $10 yard sale purchase !
   Actually , it may be as simple as regrinding the mismatched jaw sets to match this chuck . I have a little time to play with it , got no "other people's projects" in the shop right now .
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Snag
Voting for Kamabla after Biden
is like changing your shirt because
you shit your pants .