JET JDP-20VS-3, 1-1/2 Drill Press, Drilling Capacity, 2HP, 3 230/460V 3PhSolid design and construction deliver precision operation and control. JET 20" Variable Speed Drill Presses combine variable speed spindles with a massively constructed head that increases accuracy and rigidity. That's all on top of a steel column and a heavy duty cast iron base. Stock Number 354231 Base Dimensions (In.) 27 x 19 Column Diameter (In.) 4 1 2 Drilling Capacity Cast Iron (In.) 1 1 2 Drilling Capacity Mild Steel (In.) 1 3 8 Drills to