Thread Gages

Thread Gages

When it comes to thread gaging, the most popular solution is a functional thread gage.

  1. Thread Plugs
  2. Thread Set Plugs
  3. Adjustable Thread Rings
  4. Solid Thread Rings
  5. NPT
  6. ANPT
  7. BSPT System A and B

Precision Gage is well versed in the use of functional thread gaging as well as variable thread gaging. The Tri-Roll and ITC thread comparators are very useful tools for measuring the features of a thread and reporting actual values. Contact us to see which thread gaging approach is the better fit for your application.


H.E. Morse Co. was founded in 1946, not long after a unique plating process had been developed. During the Korean War, H.E. Morse Co. began manufacturing thread plug gages for the U.S. government that employed this process. The unique plating was applied over chrome-plated gages, giving them up to 400% longer life than standard tool steel gages.

Hemco’s manufacturing facility is located in Holland, Michigan, USA. The organization, now commonly known as Hemco or Hemco Gage, manufactures a full lines of fixed-limit gages and variable gages, both threaded and cylindrical or plain. Ekonogage by Hemco is a popular pin gage line, with individual pins, sets, and libraries available for rapid shipment. Hemco also manufactures gages to American Petroleum Institute (API) specifications and is one of only two manufacturers in the United States licensed to manufacture API master gages. Hemco’s products are recognized throughout the world for their longer life and outstanding quality.

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The Thread manufacturing division is in a state of the art manufacturing facility in Franklin, Kentucky and our main manufacturing and sales operations have recently moved into our new state of the art facility in Swanton, Vermont. Vermont Gage manufactures 98% of the products we sell. Vermont Gage’s success has been built on quality products, competitive price and delivery, technical expertise, innovative marketing, working with distributors and end users to develop value added programs.

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