API 5B EUT/EUE/UP-TUBING & NUT/NUE/TUBING THREAD GAUGES
Northern Gauge manufactures API 5B EUT & NUT 8 and 10 round plug and ring gages from 1.050” to 4-1/2”. All working gages are manufactured in full compliance to API 5B and fully traceable to API reference masters.
The 1.315”, 1.660” and 1.900” Integral Joint Tubing Gages are identical to the same sizes in NUT and interchangeable.
The 2.063” Integral Joint Tubing Gages are identical to the 1.900” EUT and may be used interchangeably.
The 1.050” EUT gages and the 1.315” NUT gages, and the 1.315” Integral Joint Tubing Gages are identical and may be used interchangeably