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![5/16x18 BSW Screw Ring Thread Gauge Go or NoGo whitworth](https://images.findtheneedle.co.uk/findtheneedle/products/17100699.jpg)
Specification
BSW Ring Gauge
Option of Go or NoGo gauges
5/16" BSW
Ring gauges comply to
BS 84, BS 919 Part 2
Part Number ES-3923
For more information on 5/16x18 BSW Screw Ring Thread Gauge Go or NoGo whitworth talk to JLS Supplies Ltd
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