... Technical Specifications and Machining Range of the Machine:1 . Product overviewBHQK580 CNC Machine For Steel pipe (Sucker Rod,Tubing, ... thread. As professional Sucker Rod,Tubing,Drill pipe machine, the machine is perfectly suitable for Petroleum industry and Engeneering industry ... new standards of API.Characteristic:1.1, Both front and back are equiped long routed Centering pneumatic chuck1.2,.Rolling ...