... drill at X.Y axis. Applicable industryUsed for the drilling processing of connection boards and base anchors of steel structure ... four sets of work pieces, and downloading work pieces when drilling simultaneously. 4.CNC, PLC systems, CRT display. 5.Programming ... thinner steel boardNumber of tank for champing12Max. diameter of drillingφ50mmRange of spindle rotation speed(r/min)130560,Transducer stepless ...