... 3.Automatic feed Z3063 series Radial Drilling Machine SpecificationZ3063 type rocker drilling machine, used in large and medium sized parts ... reversing, stopping (braking), variable speeding, neutral position, single handle control, convenient operation.3.Spindle box, rocker arm, internal ... adopt quenching process, keep the accuracy stability of the machine tool longterm, prolong the life.5.Have a ...