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![3.1/2" NPT Screw Ring Thread Gauge L1 Step Min / Max](https://images.findtheneedle.co.uk/findtheneedle/products/17101322.jpg)
Specification
3.1/2 ANPT Thread Step screw ring gauge
3.1/2" NPT thread ring gauge
Calibration service available see calibration
Part Number ES-13583
For more information on 3.1/2" NPT Screw Ring Thread Gauge L1 Step Min / Max talk to JLS Supplies Ltd
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