Coupling Sleeves

  • Full Bridge Thread Coupling Sleeves

    Thread Coupling Sleeves is widely used for extension rod and drill bits connection. GMD could supply Full Thread type Coupling, such as R25, R28, R32, R38, T38, T45, T51, R28-R32, R28-R38, R32-T38, R32-R38, R25-R32, R32-T45.
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  • Semi-bridge Thread Coupling Sleeves

    Coupling sleeve is widely used for extension rod and drill bits connection.GMD could supply Coupling, such as R25, R28, R32, R38, T38, T45, T51, R28-R32, R28-R38, R32-T38, R32-R38, R25-R32, R32-T45.
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As one of the leading coupling sleeves manufacturers and suppliers in China, we warmly welcome you to wholesale quality coupling sleeves at competitive price from our factory.