7/8x9 BSW Screw Ring Thread Gauge Go or NoGo whitworth

Specification 7/8 BSW Ring Gauge Option of Go or NoGo gauges 7/8" BSW Ring gauges comply to BS 84, BS 919 Part 2 Part Number ES-3930

For more information on 7/8x9 BSW Screw Ring Thread Gauge Go or NoGo whitworth talk to JLS Supplies Ltd