| Customization: | Available |
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| Warranty: | One Year |
| Type: | Numbered Connection Working Gauge |
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Non-upset tubing NUE master gauges, available sizes from 1.050 to 4 1/2 inches in diameter, we introduced international
first grade thread machining center and measuring equipment, all working gauges and reference master gauges are manufactured
and calibrated conform to API Spec 5B standard.
When you order, please specify the following information:
Example, working gauge: 2 3/8 TBG RING&PLUG.
1. Conform standard: API Spec 5B.
2. Wear resistance and corrosion resistance, stable structure, easy to use.
3. Comes with calibration certificates.
4. Supplied in fitted case.
| Size | Outer Dia | Pitch per 25.4mm | Taper | Form Angle |
| 1.050 TBG | 26.67 | 2.54 (10) | 1:16 | 60° |
| 1.315 TBG | 33.40 | 2.54 (10) | ||
| 1.660 TBG | 42.16 | 2.54 (10) | ||
| 1.900 TBG | 48.26 | 2.54 (10) | ||
| 2 3/8 TBG | 60.33 | 2.54 (10) | ||
| 2 7/8 TBG | 73.03 | 2.54 (10) | ||
| 3 1/2 TBG | 88.90 | 2.54 (10) | ||
| 4 TBG | 101.60 | 3.175 (8) | ||
| 4 1/2 TBG | 114.30 | 3.175 (8) |
1. It is not allowed to touch the working surface of the gauge with your hands, so as not to cause rust.
2. Inspect regularly to see if there is any damage, rust or deformation. If you find that the gauge begins to rust, you should
put it in gasoline and soak it for a period of time, then take it out and wipe it carefully, and apply anti-rust oil.
3. Do not save the working surfaces of the two gauges together, otherwise the two working surfaces will be glued to each other,
and the gauge will be unnecessarily damaged when separated by external force.
4. After used the threaded gauges, it should be wiped clean and stored under dry condition.
Non-upset(NU) tubing master gauges are mainly used in the petroleum oil and gas industry for measuring the thread of casings,
tubing and pipelines.
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