We keep in stock most connections for Regular Rotary Shouldered Connections, Internal Flush (IF), Numbered Connections (NC), Full Hole (FH), Hughes External Flush (HEF), H90 & PAC connections. If you are inspecting a box connection or internal thread then you will need a plug gage in order to inspect the part properly.
If you are inspecting a pin connection or external thread then you will need a ring gage to inspect the part properly. If you require assistance with how to gage your part, please check out our tech tip section (How to use API 7-2 gauges)
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Rotary Shouldered Thread Gauges - Northern Gauge
AcciónRotary Shouldered Thread Gauges - Northern Gauge Northern Gauge manufacturers API 7-2 working gauges. All gauges include a certificate of calibration that has traceability to an API-certified reference master. We have the most extensive API 7-2 refe...
