Diameters: 4 1/2” through 20”
Grades: J55, K55, N80-1, N80Q, L80, P110, Q125
Connections: STC, LTC, BTC
Other options:
Special Beveled Couplings
Special Clearance Couplings
Directive 10 ( D-10 ) Couplings
Others upon request
Stocks availability: 4 1/2”, 5 1/2”, 7”, 9 5/8”, 13 3/8”, 20”
API 5CT Casing Coupling
Description
API 5CT Casing Couplings are engineered for secure, pressure-tight connections for Tubing String in oil and gas operations. Haige provides full range of Casing Couplings and Tubing Couplings as per API 5CT specification for strength, durability, and reliable field performance.
Diameters: 4 1/2” through 20”
Grades: J55, K55, N80-1, N80Q, L80, P110, Q125
Connections: STC, LTC, BTC
Other options:
Special Clearance Couplings
Special Beveled Coupling
Directive 10 ( D-10 ) Couplings
Others upon request
Stocks availability: 4 1/2”, 5 1/2”, 7”, 9 5/8”, 13 3/8”, 20”






