... by the high efficiency ,close tolerance, hydraulic retransmission Radial Drilling Machine, Max. diameter of holes drilling: 50mmRadial Drilling MachineZ3050*16 Specifications:1) Max. diameter of ... holes drilling: 50mm2) Distance from center line of main spindle to ... x 1,070 x 2,840mm14) Approx. weight of the machine: 3,500kg Radial Drilling Machine (Z3050-16)