Grip Thread Pitch Gauge MM & SAE Markings - Measures Counts from .25 to 5.5 mm and 4 to 42 SAE - 60 Degree Thread Profiles and Locking Devices - Garage, Workshop, Home : Amazon.co.uk: DIY & Tools
Thread gaugess
Screw Pitch Gauges with Metric 60° and Whitworth 55° | BAHCO | Bahco Africa
51PC BLADE SCREW THREAD PITCH GAUGE IMPERIAL / METRIC FOR MEASURING NUTS & BOLTS 5055143910933 | eBay