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WESTport Corp.

WESTport carries a full line of fixed limit gages also referred to as fixed limit gauges. They are more commonly known as GO and NOGO gages and are used to check parts against their allowed tolerances. The GO gauge is used to pass the test of checking a part while the NOGO gage is used to fail the test. They are generally made of steel, chrome, or carbide and are the most cost effective way of checking parts.


  • Fixed limit gaging is the most cost effective method for checking parts
  • Requires little training to use a GO or NOGO gage
  • Fixed limit gauging can check parts quickly
  • Available in steel, chrome and carbide
  • Fixed limit gages are traceable to NIST and can be certified to ISO 17025

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WESTport Manufactured Products. 24th Anniversary Servicing Industry Worldwide (1989-2013)