Thread gauges ring for Zoll Thread
Gauge steel
Tol. ISO 228
for Thread pitch G 1/8" 28 G 1/4" 19 G 3/8" 19 G 1/2" 14 G 5/8" 14 G 3/4" 14 G 7/8" 14 G 1" 11 G 1 1/8" 11 G 1 1/4" 11 G 1 1/2" 11 G 1 3/4" 11 G 2" 11
G 1/8"