Threaded Ring Gauges

Imperial and metric sizes available

• Go and no-go rings - for the general inspection of external threads.
• NPT/BSPT - for the inspection of external tapered threads.
• BSF/UNF – for the inspection of fine external threads
• BSW/UNC – for the inspection of coarse external threads

Threaded Plug Gauges

Imperial and metric sizes available

• Go/no-go – for the general inspection of internal threads
• NPT/BSPT – for the inspection of internal tapered threads
• BSF/UNF – for the inspection of fine internal threads
• BSW/UNC – for the inspection of coarse internal threads

Other Gauges

• Go/no-go plain plug gauges – for the inspection of internal diameters with tight tolerances
• Plain ring gauges – for the inspection of external diameters with tight tolerances
• Radius gauges – for general inspection of accessible radius measurement
• We can also offer a number of bespoke gauges that are not a normal standard size so don’t be afraid to ask!