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 Gage Catalog for more information