Working Thread Plug Gages

 Working thread plug gages are used to insure the assembly of mating threaded parts. Vermont Gage inventories a broad range of Working Thread Plug Gages used to inspect both the Unified Inch and M Series Metric product threads.  We also carry Left Hand Unified and Metric thread gages, as well as STI (gages for Screw Thread Inserts).

  • Thread Types:
    • Unified Inch 
    • M Series Metric
    • STI 
  •  Tolerance:
    • Class X 
      • Go PD: Plus
      • NoGo PD: Minus
  • Class of Fit:
    • Unified Inch: 2B & 3B
    • M Series Metric: 6H
  •  Material:
    • Chrome 70/72 Rc
  • Design:
    • Taperlock
    • Trilock
    • Reversible
  • Certificate of Accuracy is included.
  • ISO 17025 Accredited and Non-Accredited Calibration Certificates may be purchased. 
  • See pages 36 - 83 in the 2016 Gage Catalog for more information