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![1/2x12 BSW Screw Ring Thread Gauge Go or NoGo whitworth](https://images.findtheneedle.co.uk/findtheneedle/products/17101127.jpg)
Specification
1/2 BSW Ring Gauge
Option of Go or NoGo gauges
1/2" BSW
Ring gauges comply to
BS 84, BS 919 Part 2
Part Number ES-3926
For more information on 1/2x12 BSW Screw Ring Thread Gauge Go or NoGo whitworth talk to JLS Supplies Ltd
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