Arm Length: 8' Column Diameter: 19" Drilling Capacity (Steel): 3" Drilling Capacity (Cast Iron): 3-5/8" Speeds: 20 - 1180 RPM Feed: .0015 IPM - .125 IPM Spindle Taper: #5 MT Distance Column to Spindle Center: 16-1/2" - 99-1/4" Distance Base to Spindle: 22-1/4" - 70-7/8"