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  • Coupling sleeves

  • Both semi-bridge and full-bridge coupling sleeves are manufactured by SINODRILLS

    SINODRILLS Coupling Sleeves

    High quality of alloy steel and CNC machining guarantee our reliable and consistent quality control of coupling sleeves.

    Thread size: R22, R25, R28, SSR28, R32, SSR32, R35, SSR35, R38, T38, T45, T51.

    Bridge type: Semi-bridge, Full bridge.

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