☎ (815) 964-2256

Worldwide Shipping of Specialty Gages for Over 60 Years

Thread Gage Grinding Specialists


Multiple Thread Forms

We specialize in manufacturing standard and special thread ring and work plug gages with unified 60 degree, 60 degree Stub, metric, ACME, Stub ACME,  NPSM, UN, UNS, BUTTRESS, or Trapezoidal threads. We also offer pre-plate gages made to your specifications.

A Range of Styles and Sizes

In addition to our thread gages, we stock a large inventory of plain plug gages, plain ring gages, snap gages, master disks, and master plugs.

Sizes range up to 16-1/4" diameter.


About  Us

 With over 60 years of experience, Ingram Gage Company values providing quality gages and specialty thread grinding services for our  customers. We commit to the utmost precision in our products, putting the accuracy and appearance of each gage above all else. With hundreds of thousands of gages available in stock, we can quickly send you whatever you need in any design and description, or make to order your specialty gage.


Our Standards

All thread ring and work plug gages are manufactured to ANSI standards and are traceable to the National Institute of Standards and Technology (NIST). We will happily provide calibration services to ensure your gages are always functioning within tolerance.