No. Description Unit Parameters 1 Max. boring diameter mm 36-100 2 Max. boring depth mm 210 3 Steps of pindle speed 2 4 Spindle speed rpm 200-400(3phases)/223-312(1 phase) 5 Spindle return mode manual 6 Spindle feed range mm 0.076mm/r. 7 Motor power w 0.37/0.25(3ph) / 0.25(1ph) 8 Net/Groos weight kg 122/145 9 Dimensions mm 720x390x1700 Application and Features:The boring machine is mainly used for reboring engine cylinders of automobiles motor cycles and middle & small tractors  * Reliable performance, widely use, processing accuracy high productivity * Easy and flexible operation * Good rigidity. Amount of cutting