Datum Plugs

The Pilgrim Datum Plug provides a simple aid in measuring the length of the Pilgrim Radial Fit Bolt.

The Datum Plug provides an accurate and consistent reference point for your measuring system.  The bolt length measurement can be taken before and after hydraulic tensioning to verify that the installation and loading has been undertaken correctly.


  • Accuracy
  • Operator confidence
  • Repeatability
  • Improve QA records
  • Confirm bolt extension