Starrett 156M Screw Pitch Gauge 0.25-2.50mm

Screw Pitch Gauges quickly determine the pitch of various external and internal threads. These gauges consist of a substantial steel case with a number of folding leaves at both ends, each leaf having teeth corresponding to a definite pitch.

International Metric Standard - 60 Threads

No. of leaves: 28

Pitch Range: 0.25 - 2.50mm

Locking Device.