1.1/8"x18 UNEF - 2B Go / NoGo Screw Plug Thread Gauge

Specification 1.1/8" Unified Extra Fine Thread Series Screw Plug Thread Gauges Class 2B 1.1/8".18 tpi UNEF Calibration certificate at extra cost. See Calibration parallel screw plug gauges. Part Number ES-14371

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