Gage Assembly, a leading manufacturer of precision thread plug and ring gages, serves the aerospace, energy, defense, oil and gas, and automotive industries. Offering virtually every type of thread gage including American Inch, Metric, Acme, Buttress, Straight and Tapered Pipe, our size capabilities run from 000-120 threads per inch to 15 ½ inch diameter and one thread per inch.


We also manufacture pre-plate thread plugs and rings, extra length threads, solid rings, concentricity plugs and rings, hard chrome gages, Left Hand gages, and are able to fulfill requests from part/gage drawings. Gages are manufactured to ANSI and international thread series standards as required.

Quality Care

Superior wear and extended performance are achieved through fine tool steels and advanced calibrated inspection equipment. We apply a hard chrome finish on standard thread plugs at no extra charge, and offer in-house customer support.

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