... Technical Specifications and Machining Range of the Machine:1 . Product overviewBHQK580 CNC Machine For Steel pipe (Sucker Rod,Tubing,Drill ... thread. As professional Sucker Rod,Tubing,Drill pipe machine, the machine is perfectly suitable for Petroleum industry and Engeneering industry ... the new standards of API that required machined surface calendered by us. We have used the dedicated double chuck ...