I don't know the spindle size on these, but they should most likely match up just fine. Going from a keyless to a keyed chuck shouldn't cause any compatibility issues either.
ereplacementparts.com sells that 1004vsr chuck. They may be able to get you more info on the spindle size.
Mike
December 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
