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Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.
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Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.
Yantai Yunsheng Petroleum Machine Accessories Co., Ltd.
China

  • Products Catalog

    7/ 8" full size spray metal coupling

    7/ 8" full size spray metal coupling

    Price:
    USD$7.0~8.0
    Quantity Order:
    Origin:
    China
    Payment Method:
    Telegraphic Transfer (T/T)
    Pack. & Delivery:
    wooden case

    Specification :

    Basic material: Steel alloy 40Cr ( HRA 56-62) ;
    API SPEC 11B specification manufacture;
    Inside diameter: 30.61mm( error bound: 0~ + 0.25mm) ;
    Outside diameter: 46.3mm( error bound: -0.25~ + 0.13mm) .
    Casted alloy layer process on the surface has the function of wear-proof, corrosion-resisting and reducing the friction, protect both the coupling and the rods

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