5 12 API Spec 5b BTC BCSG Buttress Thread Gauge Oilfield Casing Buttress Thread Inspection Gauge Man

Follow along for a hands-on demonstration of 5 1/2 API Spec 5B BTC BCSG Buttress Thread Gauges for oilfield casing inspection. In this video, we walk through how these GCr15 steel gauges (60-63HRC) are used to verify buttress casing thread dimensions, show ring, plug, and complete set configurations, explain master vs. working gauge selection, and share proper handling, storage, and calibration certificate traceability practices for accurate thread quality control.