1.5"OD,IEU,E,X,G & S ,Range 2 or 3,19.5 ppf 2.Make-up&break-out 3.5 1/2FH, Hardband&IPC 4.Double Shoulder TJ Our company's drill pipes are in accordance with API 5D, API SPEC 7 Standards. The material of drill pipe body are chosen by the 1&3 group of API 5D.(Group 1-Grade E75;Group 3-Grade X95, G105, S135).The choice of tool joints is according to the customers requirements, and the tool joints ...