In article 3RLxc.12596$ye1.5635@lakeread05,
(Adrian Mariano) wrote:

I recently got a Grizzly drill press and am wondering whether it's
worth upgrading the chuck.

What advantages would a Jacobs chuck give me? They are rather
costly. Are they worth the price? Heavy duty or medium duty?

Check out the following link to a thread on this topic a little more
than a week ago:

http://groups.google.com/groups?hl=e...8859-1&frame=r
ight&th=c84bd8607ac5d829&seekm=t0zvc.38872%24eU6.9 379918%40news4.srv.hcvl
ny.cv.net#link1

--
Owen Lowe and his Fly-by-Night Copper Company
Offering a shim for the Porter-Cable 557 type 2 fence design.
http://www.flybynightcoppercompany.com
http://www.easystreet.com/~onlnlowe/index.html