1/2x12 BSW Screw Plug Thread Gauge Go / NoGo 1/2 whitworth

Specification BSW Double Ended Screw Plug Thread Gauge 1/2" BSW Plug gauges comply to BS 84, BS 919 Part 2 Calibration available at extra cost see calibration listing Part Number ES-3942

For more information on 1/2x12 BSW Screw Plug Thread Gauge Go / NoGo 1/2 whitworth talk to JLS Supplies Ltd