


Precision-Ground Thread Gages
Third Coast Gage & Calibration custom designs, manufactures (outsourced), re-manufacturers (in-house) & supplies precision-ground thread gages suitable for all your thread inspection needs.
API Product Specification Thread Gages
We specialized in the design, manufacture & supply of API product specification thread gages for inspection of oil & gas related industry product connections such as required by the API product specifications 5CT, 5B, 5D. 5DP, 5L, 6A, 7, 7-1, 7-2, 11B & others. All gages are provided with calibration certificates traceable to The NIST or internationally recognized standards, as required by the API Q1 & ISO 9001.
We also offer API monogram licensee support & resources including ISO/API quality system development, implementation & maintenance services. This is performed in association with “Quality Systems Development” consulting company.
Custom design & manufacturing services are available. We have over 20 years experience in the API thread gage industry.
All Styles Available Even if not Listed
Contact Us For a Quote of These & Other Custom Gages.
- API 7, 7-1, 7-2 & 5DP Rotary Shouldered Connections (NC, Reg, FH…)
- API 11B (P & B sizes…)
- API 6A VR type (GO/NO-GO…)
- API 6A VR type (GO/NO-GO…)
- Thread Gages not Covered by API Specifications (AOH…)
- ACME
- Adjustable Rings
- ANPT
- AOH
- BSF
- BSP
- BSPT
- BSW
- H90
- API 5L Line Pipe
- M-Series
- NPT
- NPTF
- NPSM
- PAC
- Trapezoidal
- Standard Thread Gages (UN, GO/NO-GO…)
- UNC
- UNF
- UNEF
- Whitworth
- Custom Thread Gage Designing
Call us at (832) 569-2046 or contact us for a quote