1"x8 BSW Screw Ring Thread Gauge Go or NoGo whitworth
Specification 1" BSW Ring Gauge Option of Go or NoGo gauges 1" BSW Ring gauges comply to BS 84, BS 919 Part 2 Part Number ES-3931Visit the JLS Supplies Ltd website for more information on 1"x8 BSW Screw Ring Thread Gauge Go or NoGo whitworth