Providing Gage Solutions Since 1912




Call us: OH: 440-953-3300

TX: 936-321-7992

API Thread Gages

Fixed and Ground Limit Gaging for Plug & Ring Thread Gages. PMC Lone Star is the leading manufacturer of fixed and ground limit gaging for both plug & ring thread gages. PMC Lone Star will meet your requirements and custom build your thread gages to meet your exact specifications. Our gage engineering team is ready […]

Explore More

Premium & Proprietary Connections

PMC Lone Star manufactures premium and proprietary gages that are used in many industries around the world.  Below are some of the more popular premium connections we manufacture and stock.  Specialized drilling requirements, as well as mining operations call for premium gages made to specific customer requirements.  We stand ready to support our customers in […]

Explore More

Thread Profile Gages

Quickly Identify Tapered Thread Forms! PMC Lone Star Thread Profile Gages are manufactured to industry standard tolerances using our state-of-the-art Wire EDM technology. Our Thread Profile Gages quickly identify tapered thread forms per the API Standards 5B and Spec 7 as well as Stub Acme, National Acme and others. All our Thread Profile Gages are in […]

Explore More

Testing / Measuring

PMC Lone Star manufactures testing & measuring equipment to help you inspect the most challenging features to measure.

Explore More