Custom Spline Shafts & Profiles

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Even though Grob offers you a variety of standard spline shafts to choose from, some applications require a custom spline shaft or custom profiles.  Grob’s custom spline shaft manufacturing and engineering staff has the ability to create custom tooling providing you with the custom cold rolled spline shafts and profiles you require.  Grob’s engineers and tool makers are proud partners in the cooperative development of your custom spline shaft.  After your new shape has been created, a sample will be sent for testing before beginning production of your new part.  Grob’s cold rolling process provides several advantages over hobbing, cutting and other metal forming methods.

  • Involute Spline Shafts
  • Straight Sided Spline Shafts
  • Metric Spline Shafts
  • Spline Shafts To your specifications
Custom Splines and Profiles

Custom Profiles

Grob is often asked if they can create custom profiles. The answer is YES. Grob understands that your product may require a custom profile. Either way Grob can provide you with the right profile for the job. Grob’s experienced engineering staff will partner with your company to develop the exact custom profile that is required; whether you need a proprietary component or a replacement part.


  • Gerotor
  • Ratchets
  • Splines
  • Gears