Top Hammer Drilling Tools

Coupling

Product description: Thread: R25, R28, R32, R38, T38, T45, T51 Bridge type: Semi-bridge, Full bridge.
INQUIRY

Coupling is used for connecting the extension rods with different length or thread, we manufacture the semi-bridge coupling and full-bridge coupling sleeves, the only difference between them is that semi-bridge couplings have a middle stop at the middle.
Thread: R25, R28, R32, R38, T38, T45, T51
Bridge type: Semi-bridge, Full bridge.

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