Expand your Identibolt PRO to measure Army-Navy (AN) and National Pipe Thread (NPT) fasteners!– Detachable plates allow you to measure where you’re working
NPT sizes
– 1/16″ NPT
– 1/8″ NPT
– 1/4″ NPT
– 3/8″ NPT
– 1/2″ NPT
– 3/4″ NPT
– 1″ NPT
All sizes have a 37 degree flare
– 2 AN
– 3 AN
– 4 AN
– 5 AN
– 6 AN
– 8 AN
– 10 AN
– 12 AN
