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-14371Visit the JLS Supplies Ltd website for more information on 1.1/8"x18 UNEF - 2B Go / NoGo Screw Plug Thread Gauge