Application : For testing the flank diameter of female threads and compliance with minimum dimensions of the external diameter
Execution : Hardened and finely ground
Right-hand thread
Tolerance 5H
Go side with full thread profile (must screw into the test specimen without the use of force)
Scrap side with shortened thread flanks and only a few turns (must not screw in)
Best gauge steel
Thread type : Metric thread
Thread : M1.2 × 0.25
Pitch : 0.25 mm
Tolerance class : 5H
Material : Gauge steel
DIN : 13 / 2280