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 to design and work with you on all your thread gaging needs.
PMC Lone Star is licensed by API (American Petroleum Institute) to Spec Q1, Spec 5B, Spec 7-2 & Spec 11B. We are proud to offer the following products:
- API (American Petroleum Institute) Thread Gages – Working Gages, Reference Master Gages, Regional Master Gages & Grand Master Gages
- API Specification 5B
- 8 Round Casing Plug & Ring Gages
- Short Thread Casing (STC)
- Long Thread Casing (LTC)
- Line Pipe Plug & Ring Gages
- 8 Round & 10 Round Tubing Plug & Ring Gages
- External-Upset Tubing (EUT) (EUE)
- Non-Upset Tubing (NUT) (NUE)
- Buttress Casing Plug & Ring Gages
- Extreme Line Casing Plug & Ring Gages
- 8 Round Casing Plug & Ring Gages
- API Specification 7-2
- Preferred Connections
- Regular Rotary (REG) Plug & Ring Gages
- Numbered Connection (NC) Plug & Ring Gages
- Full Hole (FH) Plug & Ring Gages
- Internal Flush (IF) Plug & Ring Gages
- Non-Preferred Connections
- American Open Hole (AOH) Plug & Ring Gages
- Beco Plug & Ring Gages
- PAC Plug & Ring Gages
- Hughes Slim Hole (SH) Plug & Ring Gages
- Hughes Xtra Hole (XH) Plug & Ring Gages
- Hughes H-90 (H-90) Plug & Ring Gages
- Hughes Slimline H-90 (SL H90) Plug & Ring Gages
- Hughes External Flush (HEF) Plug & Ring Gages
- Preferred Connections
- API Specification 11B
- Sucker Rod Plug & Ring Gages
- Polished Rod Plug & Ring Gages
- Misc. Connections
- DI 22 & DI 42 Plug & Ring Gages
- Mod Acme & Mod Square Plug & Ring Gages
- Improved Buttress Tubing Plug & Ring Gages
- Negative Flank Angle Plug & Ring Gages
- Many other premium threads made specifically to your requirements.
- API Specification 5B
In addition to the wide variety of plug and ring gages we available, PMC Lone Star also manufactures and stocks thread profile gages, lead setting standards and thread height setting standards for many of the most popular connections.
PMC Lone Star manufactures all of its gages to meet or exceed the API specifications using the latest manufacturing and inspection technology available. All API working gages are manufactured using API certified reference master gages in accordance with the latest specifications, ensuring complete interchangeability and conformance with the specifications.
PMC Lone Star’s gage calibration laboratory maintains the most complete set of Reference Master and Regional Master Gages outside of N.I.S.T. allowing us to provide a full range of calibration services for API Working and Reference Master gages.
Field proven for over half a century, our master and working plug and ring thread gages meet and exceed specifications established by the American Petroleum Institute (A.P.I) and are used as the benchmark for calibration by the National Institute of Standards and Technology (NIST). PMC Lone Star designs and manufactures special oil country gages to your specifications.
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