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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.


  • Available in 35 different sizes
  • Maximum Bore: 7 inches
  • Maximum Torque: 404,000 in-lbs
  • Simple, easy installation
  • No lubrication or maintenance required
  • Zero backlash for timing or positioning applications

common applications

  • Mixing
  • Conveyors