IF - Internal Flush - Rotary Shouldered Connection - Thread Plug and Ring Gages - API Spec 7-2

IF‐ Internal Flush Connections are Rotary Shoulder Connections having the V‐038R Thread Forms. Gauging practice and thread inspection should conform to the requirements of API Spec 7‐2. Thread Check, Inc. offers the complete range of API IF ‐ Internal Flush Thread Plug and Ring Gages to API Spec 7‐2. Our engineering staff have served on various API gaging subcommittees and have worked in the energy industry for many decades. Thread Check's expert engineers can assist you with engineering and building custom gages. Thread Check is a proud member of the American Petroleum Institute.

SKU Description Each
IF-2-3/8-P 2-3/8" IF ( Internal Flush ) Thread Plug Gage ( NC26 Thread Plug Gage interchangeable )
IF-2-3/8-R 2-3/8" IF ( Internal Flush ) Thread Ring Gage ( NC26 Thread Ring Gage interchangeable )
IF-2-7/8-P 2-7/8" IF ( Internal Flush ) Thread Plug Gage ( NC31 Thread Plug Gage interchangeable )
IF-2-7/8-R 2-7/8" IF ( Internal Flush ) Thread Ring Gage ( NC31 Thread Ring Gage interchangeable )
IF-3-1/2-P 3-1/2" IF ( Internal Flush ) Thread Plug Gage ( NC38 Thread Plug Gage interchangeable )
IF-3-1/2-R 3-1/2" IF ( Internal Flush ) Thread Ring Gage ( NC38 Thread Ring Gage interchangeable )
IF-4-P 4" IF ( Internal Flush ) Thread Plug Gage ( NC46 Thread Plug Gage interchangeable )
IF-4-R 4" IF ( Internal Flush ) Thread Ring Gage ( NC46 Thread Ring Gage interchangeable )
IF-4-1/2-P 4-1/2" IF ( Internal Flush ) Thread Plug Gage ( NC50 Thread Plug Gage interchangeable )
IF-4-1/2-R 4-1/2" IF ( Internal Flush ) Thread Ring Gage ( NC50 Thread Ring Gage interchangeable )
IF-5-1/2-P 5-1/2" IF ( Internal Flush ) Thread Plug Gage ( NC61 Thread Plug Gage interchangeable )
IF-5-1/2-R 5-1/2" IF ( Internal Flush ) Thread Ring Gage ( NC61 Thread Ring Gage interchangeable )
IF-6-5/8-P 6-5/8" IF ( Internal Flush ) Thread Plug Gage
IF-6-5/8-R 6-5/8" IF ( Internal Flush ) Thread Ring Gage
Set Descending Direction
per page
By clicking "I Agree", you agree to our Terms and that you have read our Data Use Policy.