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Specifications: steel well Casing Pipe Size: OD 114.30mm-177.80mm(4 1/-13 3/8 Gra...
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Casing Pipes/Carbon Seamless Steel Pipe/Oil Drilling Tubing Pipe Size OD 114.3...
Api Casing Coupling Size 4 1 / 2-20in Thread VAM NU EU STC LTC BTC NPT ...
API 5CT J55/K55/N80/P110 Casing Coupling 4 1/2" to 20" Api Casing Coupling ...