Alloy Steel Wrench Flat Oilfield Sucker Rod Coupling

This alloy steel wrench flat coupling belongs to Wrench Flat Couplings series, a mature classic Sucker Rod Couplings widely adopted for oilfield production, fully produced according to API Spec 11B international petroleum standards. It is integrally forged from TA grade alloy steel and counts as high-performance Alloy Steel Couplings with excellent comprehensive mechanical performance. Multiple Material Grade options are optional to fit different downhole working conditions, including ordinary carbon steel, high-strength alloy and anti-sour alloy materials. Our factory also supplies customized TC grade carbon steel, TS high-strength alloy and HA sour-resistant alloy couplings to cope with high-pressure and corrosive underground environments.   Wrench flats forged on both ends are the iconic design of this series, simplifying on-site installation and disassembly. Precision machined internal threads deliver outstanding tensile and torsional resistance. This heavy-duty sucker rod cou…

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