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API Steel Coupling

  • Painted Casing Coupling

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    Painted Casing Coupling

    For painted casing coupling, the Surface has highly polished coating with clearly color band identification. Normally put NU EU STC LTC BTC and some size information. For the color is green, red and white.Read More

  • K55 Casing Coupling

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    K55 Casing Coupling

    K55 casing coupling is short round-thread casing coupling, The taper of the coupling is 1:16. The thread pitch is 8 teeth per inch and thread height is 0.07125(+0.002 -0.004) inch .Read More

  • API Casing Steel Coupling

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    API Casing Steel Coupling

    API Casing steel coupling here we introduce API External-Upset Tubing Coupling, The item wall thickness is more than API Non Upset Tubing coupling, and it can Bear more pressureRead More

  • API Non Upset Tubing Coupling

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    API Non Upset Tubing Coupling

    API Non Upset Tubing coupling is one kind of API tubing or casing pipes coupling, Its Application are Oil Pipe, Connecting two oil tubing or casing pipes, and have grade as follow J55, K55, N80, L80,P110Read More

We're well-known as one of the leading api steel coupling manufacturers and suppliers in China for our prime quality products and good service. Please feel free to buy bulk api steel coupling made in China here from our factory.