Shandong Leading Machinery Equipment Co.,Ltd

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Shandong Leading Machinery Equipment Co.,Ltd

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oil tubing couplings
Specification: J55 N80
Detail: 1. Oil well tool API 5CT tubing and casing couplings 2.grade:P110 K55 J55 L80 N80 3.thread:EU NU LC BC SC 4.size:tubing coupling:form 1.9"to 4 1/2" ; casing coupling: form 4 1/2" to 20" 5.packing: By carton,wooden case, wo...


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