1).radial drilling machine max.drill dia.50mm 2).hydraulic type Radial drilling machine Z3050X16/1 features:1. Using the hydraulic gear-change structure can save subsidiary time.2. The forward rotating of spindle, stop (brake), shift and neutral-gear ect. are all controlled by a single handle, which is very convenient for operation.3. The clamp structures of headstock, radial arm and internal and ...