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Ribbed Rigid

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Originally known as the “Grim Death” compression coupling, the Dodge Ribbed Rigid coupling is proudly made utilizing over 110 years of Dodge’s Coupling knowledge. With rated load capacities of ANSI 1018 steel, the Dodge Ribbed Rigid coupling can be clamp fit onto shafts of equal diameter with a full-length key.


  • Clamp fit mechanical coupling
  • Rated load capacities of 1018 shafting
  • Connects same diameter shafts via compression fit clamping
  • Accommodates up to 7" bores
  • Maximum torque is 404,000 lb-in

Common applications

  • Mixing
  • Conveyors