UN Thread Gauges
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01924 869660

Tooling Supplier

for the UK & Ireland

Monday-Thursday 8am-6pm
& Friday 8am-5.30pm

UN Thread Gauges

UN precision thread gauges from German manufacturer JBO (Johs Boss) are Europe’s largest manufacturer and stockist of precision thread gauges.

The UN ‘Special’ range includes go and no-go metric gauges from 1/4" UNS to 2" UN.in tolerances including: 2B & 2A. All gauges are available with UKAS calibration.