Also quoted is thread pitch, most commonly 1.5mm (distance between thread crests). Maxle pitch is 1.75mm as detailed also.
12mm Thru Axle Chain Keeper - For 12mm Axles - Transport + Cleaning
Bicycle Trailer Hitch Adapter 12mm Thru Axle with Trailers and Thru Axle Bikes
Tranz X JD-QR52M 174mm x 12mm Thru Axle 1.75mm Thread Pitch Rockshox Maxle GT
Tranz X JD-QR52X 160mm x 12mm Thru Axle 1.0mm Fine Thread Pitch Cannondale 142mm
Bike Trailer Hitch Adapter with 12mm Thru Axle Compatibility
Hope Pro 2 Evo/ Pro 4 Rear 12mm Thru Converter Kit - HUB241
