9/16x12 BSW Screw Ring Thread Gauge Go or NoGo whitworth
Specification 9/16 BSW Ring Gauge Option of Go or NoGo gauges 9/16" BSW Ring gauges comply to BS 84, BS 919 Part 2 Part Number ES-3927Visit the JLS Supplies Ltd website for more information on 9/16x12 BSW Screw Ring Thread Gauge Go or NoGo whitworth