Our casing coupling manufacturing facilities utilize high quality coupling stock from pre-qualified seamless mills. High-speed CNC lathes maintain the tight tolerances required by the industry. All casing couplings are manufactured to API 5CT latest edition.
|Diameters||4 ½- through 13 ⅝-in|
|Grades||J55, K55, N80(Q&T), L80, P110, Q125|
|Connections||STC, LTC, BTC|