This mill column base is for the 10″ and 12″ standard leadscrew Sherline milling machines. The mill column base for the 12″ Ball screw machine uses P/N 50054. It has an additional 1/2″ through-hole to accommodate the larger ball screw and brass cover.
Rigid Column Base – Round
5605 Short Base-4"
5606 Tall Base-6"