1.mechanical transmission 2.mechanical lock 3.mechanical gear 4.automatic risen&fallen 5.automatic feed radial drilling machine ZQ3050x16The radial drilling machine of Model Z3050×16 is one of the large multi-purpose equipments, which is characterized by the high efficiency ,close tolerance with a machine. Drilling diameter of 50 mm,and is used to drill, expand, ream, groove, tap the middle and ...