Use in water and electricity engineering propspecting, the dam foundation drilling, engineering geological and blasting drilling Drilling Capacity Depth300mDia.of Rod42,50,53mmAngle Range0-360Swivel Head Speed of Spindle128,200,300,514,800,1200rpmStroke of Spindle500mmInner Dia.of Spindle60mmThrust Force22.5knLift Force36knHoist Hoisting Capacity(single line;low speed)2000kgBare Drum Line Speed0. ...