... automatic risen&fallen 5.automatic feed radial drilling machine ZQ3050x16The radial drilling machine of Model Z3050×16 is one ... the high efficiency ,close tolerance with a machine. Drilling diameter of 50 mm,and is used to drill, expand, ... well at home and abroad.Specifications ZQ3050*16Max.drilling diameter(mm) 50Distance between spindle axis and column ... 2170*810*2450 ZQ3050*16 Radial Drilling Machine