Chain couplings
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Chain Couplings, Type 3012, 4012, 4014, 4016, 5018, 6018, 6020, 6022, 8018, 8020, 8022
Coupling is the set of two sprockets for coupling and two strands of chains. The shaft bore of each sprocket can be processed, making this coupling flexible, easy to install, and highly efficient in transmission.