Glastonbury Southern Gage - GSG

Glastonbury Southern Gage - GSG

Glastonbury Southern Gage (GSG) Est 1955 - Unmatched Precision. Uncompromised Quality. 

  

GSG produces a wide range of precision measurement instruments, including:

Chamfer Measurement Tools

Surveillance Masters

  • Long‑term stablity reference masters
     
  • Used for monitoring gage performance over time
     
  • Support internal quality and calibration program

Specialty & Custom Tools

  • Tri-Roll Comparators

  • API Gages

  • Unique geometry gages

  • Custom masters

  • OEM‑specific inspection tools

Plain Measurement Tools

  • Plug Gages

  • Ring Gages

  • Taper Gages

  • Custom sizes and special configurations

Thread Inspection Tools

  • Thread Plug Gages

  • Thread Ring Gages

  • Setting Plugs

  • Master Gages

  • Custom thread solutions


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