... machine for drilling hole.SIKO display system.PLC control,Lengthened backer Technical parameter:MODEL : BJK86Distance between bits : 32mmQuantity of horizontal boring ... : 2×2+1 (1 motor with 11 bits per vertical boring box)Quantity of bits : 86pcsMax panel diameter : Φ35mmMac panel ... :1), It has high precision double guide lines and pneumatic locking system, boring body can move easily and agile.2), ...