5/16x18 BSW Screw Plug Thread Gauge Go / NoGo 5/16 whitworth

Specification BSW Double Ended Screw Plug Thread Gauge 5/16" BSW Plug gauges comply to BS 84, BS 919 Part 2 Calibration available at extra cost see calibration listing Part Number ES-3939

For more information on 5/16x18 BSW Screw Plug Thread Gauge Go / NoGo 5/16 whitworth talk to JLS Supplies Ltd