... , ream, groove, tap the middle and large parts Radial Drilling Machine (Z30100*31)Specifications: 1) Max. diameter of holes drilling: ... of head stock: 2,580mm4) Distance from main spindle end face to working face of bed:a) Max.: 2, ... for cooling pump: 0. 09kW22) Approx. weight of the machine: 20,000kg23) Overall dimensions (L x W x H): ... ,780 x 1,630 x 4,720mm Radial Drilling Machine (Z30100*31)