API Gauges

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1, Applied specification: API Spec 5B;

2, Material: bearing steel that is hardened to Rockwell C60-63;

3, Guaranteed quality: We have been manufacturing API gauges since 1970s. Our gauges have been field-tested by over 800 customers in 35 countries;

4, 3rd-party calibration: All our working gauges are calibrated and certified with certified API reference master gauges by a national-level 3rd-party calibration center which is accredited to ISO/IEC 17025:2005.

When ordering, please specify the following information:

1, Types & sizes of connections;

2, Master gauges or working gauges;

3, Ring or plug, or set;

4, Right hand or left hand.

All dimensions in millimeters, except as indicated.
NON-UPSET TUBING (NUE/TBG)
SIZET.P.IT.P.F.PITCH DIAMETERSTANDOFF TOLERANCE
1.660101:1640.5967.620±0.635
1.90046.692
2-3/858.757
2-7/871.457
3-1/287.332
48
99.4149.525±0.635
4-1/2112.114