Stainless steel disc packs for Thomas Series 71 4- & 6- bolt legacy designs. Features include characteristic slabbed profile for reduced stiffness and improved torque transmission. Individual discs are taped together as an assembly to simplify installation. 
Unitized disc packs for Thomas Series XTSR couplings. Features include scalloped profile for reduced stiffness and optimized torque transmission. Standard material is stainless steel. Other materials available upon request.
Hardware kits for Thomas types AMR & CMR couplings that utilize classic round disc packs. Include complete hardware for one (half kit) or two (full kit) disc packs
Hardware kits for Thomas types DBZ, DBZ-A, and DBZ-B couplings. Include complete disc pack hardware for one coupling.
Hardware kits for Thomas Series 52 & Series 52T couplings. Include complete hardware for one (half kit) or two (full kit) disc packs.
Hardware kits for Thomas Series 54RD & 54RDG couplings. Includes complete disc pack hardware and cap screws for one coupling.
Hardware kits for Thomas Series 71 & 71-8 couplings. Includes complete disc pack hardware and standard hub cap screws for one (half kit) or both (full kit) coupling ends.
High speed ring kit consists of two rings. High speed rings are required when speed exceeds catalog listed maximums for Omega Spacer couplings. High speed rings on Omega spacer couplings increase the maximum speed rating to the equivalent close-coupling Omega coupling, s...
Thomas CMR flywheel adapters can accommodate both SAE light-duty and Thomas® heavy-duty bolting. Selection of the flywheel adapter is determined by your engine flywheel bolt pattern requirement. Adapters are recessed in the flywheel to minimize external strains on the cr...
Thomas AMR/CMR center members are made of cast alloy iron material for sizes 162-750 and cast steel for sizes 800 and larger. Engineered to order center members are also available to accommodate torsional stiffness requirements.

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