Main features: 1.Hydraulic speed changing, Hydraulic column clamping. 2.Oversize base plate, ideal for processing of large work pieces 3.Torsion-free, polished column promotes sliding capacity of radial arm 4.Radial arm and drill head feature independent hydraulic clamp 5.Lifting motor allows for easy heightadjustment of radial arm 6. Ideal for drilling, countersinking,reaming and tapping 7. Hardened, polished gears in oil bath 8. Polished surface ensures for smooth movement of drill head on radial arm 9.Heavy Duty Precision manufactured radialarm drilling machines 10.Hydraulic column & head clampensures fixed tool positioning 11.Oil-bath lubricated gear box with hardened & ground gears 12. 16 speed auto down-feed: 0.04 ~ 3.2(mm/rev) 13.Unique hydraulic operated feed &spindle drive system 14.Arm height adjusted via vertical leadscrew & heavy duty induction motor 15.High quality fine grain cast iron with ribbing ensures extremely low vibration 16.Coolant pump system with flexible hose 17.Work light mounted under neath arm providing direct light on work piece

Main Features: 1. Inner-outer column. 2.Mechnical  clamping for the column and  mechincal Speed Changing. 3.Spindle with auto-feeding. 4.coolant, work light, available. 5.Spindle Box machined by machining center.