BikeMaster pitch gauges allow you to quickly identify what size replacement bolt you need by accurately measuring internal and external thread pitches.
S' Screw/Thread Pitch Gauges: 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62
for lasting service life
Folding blade sets with individually stamped thread profile leaves, offered with 28 S' gauges and 24 metric gauges
