Recent content by slowbutsure

Final report on 1991 Sears floor model drill press. After completing my project, the runout as measured on the machined surface of a forstner bit, 1 & 1/2” below the chuck was a somewhat astonishing and very satisfying .001”. This measured by both a Starrett dial indicator and my Starrett Last...

Thanks! Measured the runout on the JT33 end of the chuck arbor. It was .0005 on my Last Word while hand turning. When the chuck is put on and small or large drill bits are inserted, anything in the new Jacobs chuck goes to .007. Ordering new spindle bearings today. Will put the dial...

Same wobble whether its a drill bit or one of a handful of metal bars.

What is needed to correct runout in a Craftsman Floor Model No. 113.213150 Drill Press? Its a 1 HP, 15 inch, 12 speed model from the early 1990's. Drill bits have always wobbled, the larger the bit - the more the wobble. Using a dial indicator, the variance on the outside of the bottom of the...