API 5CT Standard Coupling & Crossover in J55 EUE Thread We offer a size range of 2-3/8", 2-7/8", 3-1/2", 4" and 4-1/2" in grades J55, K55, N80, P110. All of our couplings meet API specification 5CT/5B...View More
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API 5CT Standard Coupling & Crossover in J55 EUE Thread