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Glastonbury Southern Gage - GSG

Glastonbury Southern Gage - GSG

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

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

Chamfer Measurement Tools

  • Digital Chamfer Gages

  • Chamfer Ring Masters

  • Chamfer Anvils and Accessories

Plain Measurement Tools

  • Cylindrical Plug Gages

  • Ring Gages

  • Taper Gages

  • Custom sizes and special configurations

Specialty & Custom Tools

  • Ratio measuring instruments

  • Unique geometry gages

  • Custom masters

  • OEM‑specific inspection tools

Thread Inspection Tools

  • Thread Plug Gages

  • Thread Ring Gages

  • Setting Plugs

  • Master Gages

  • Custom thread solutions

Surveillance Masters

  • Long‑term stability reference masters

  • Used for monitoring gage performance over time

  • Support internal quality and calibration programs

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