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-3939Visit the JLS Supplies Ltd website for more information on 5/16x18 BSW Screw Plug Thread Gauge Go / NoGo 5/16 whitworth