Oil, Gas, Pipeline & Pressure Vessel Thread Gauges

Oil, Gas, Pipeline & Pressure Vessel Thread Gauges. Manufactured from high-grade alloy tool steel, hardened and stabilized. High Precision Accuracy: Resolution down to 0.01 mm / 0.0005 in for critical quality control. Precision ground and lapped thread flanks for accuracy and wear resistance. Clearly marked with thread designation, Go/No-Go, tolerance class, and serial number. supplied as individual Go and No-Go rings or set (Go and No-Go in one box). Option setting plug (master check plug) for verifying ring gauge wear. Calibration certificate traceable to national standards available on request.