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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Thread protector for drill pipe




    Thread protector of casing and tubing have four produce types,and meet API standard specification.
    All Plastics type
    All plastic protectors are made of HDPE by molded in injection machines. Thread is molded or threaded by CNC.
    Steel – Plastic Assembled type
    Outside steel and inside plastic for PIN, inside steel and outside plastic for BOX, and CNC threaded to provide excellent performance in all API tests. Steel – Plastic Assembled
    thread protectors are now widely used in the world.
    Composite type
    With steel cage encapsulated in plastic, composite thread protectors are very strong with high dimensional stability, anti-corrosion.
    Press Steel type

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