These are the drill chucks you want. http://www.albrechtchucks.com/

I updated my 17" Jet drill press with a 5/8" chuck. The original chuck
did not run very true when brand new. Then I spun a 1/2" drill in the
chuck and it (the chuck) never ran true again. Evidently the jaws of
the chuck are very soft and they were galled by the drill shank. This
drill chuck is a joy to use, it's keyless, grips the tools extreemly
well and the run-out is less than .001" .