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 Hirth Couplings


  Hirth Serrations,
                  Hirth Couplings

             Hirth serrations - a machine component that has both tradition and a future. Invented decades ago, yet still up-to-date, Hirth serrations from ITI Tooling Co. incorporate the demands of modern mechanical engineering:


       This self-centering, radial face tooth connection enables you to connect shafts, discs, wheels and cranks with highest accuracy. The machine tool industry, for example, would be hard to imagine without Hirth serrations as indexing and positioning elements with highest precision.

Features and Benefits





The advantages of Hirth serrations are quite convincing:
  • light-weight design
  • high-strength connections
  • Wear-free transmission of high torques at small dimensions
  • Dynamic forces are retained even after repeated assembly
  • Less rotating mass compared to flange connections
  • High concentricity precision and very low radial run-out
  • High operating safety

Product and Service Range

   Standardized ringsCustom-made rings

Customer supply

Standardized rings
  • Comprehensive standard delivery program,
    diameter range 50 - 900 mm
  • Short delivery times, nearly all standardized rings
    are available ex stock
  • Economical pricing due to series production
Custom-made rings
  • Production as per customer schedule
    (max. 1500 mm serration diameter)
  • Consultation with design
  • Short delivery times, thanks to modern production methods

Customer supply

  • Hirth serrations machined on customers own components
  • Advice, configuration, design as well as quality assurance
    from one single source
  • Fast delivery as a result of high manufacturing flexibility


For additional information please contact us at:

37 Orchard Street
Ramsey, N.J. 07446
(201) 934-6333 - P
(201) 934-6488 - F



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ITI Tooling Company Inc
37 Orchard Street
Ramsey, N.J. 07446
(201) 934-6333 - P
(201) 934-6488 - F

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