CNC pipe threading machine is widely used CNC machine tool for pipe threading work which is mainly designed not only for threading of pipe work in petroleum industry but also for the turning of pipe threads of various kinds like cylindrical and conical threads and end-face threads as well. HAISHU brand CNC pipe threading machine CKG130A, CKG136A and CKG1322A are also capable of performing the tightest threading functions on big pipes with independent spindle, servo drives, excellent precision and variable speed.