Screw Pitch Gage, Inch 51 Leaves, PEC

Screw pitch gage made in the US by Products Engineering Corporation (PEC).

The correct pitch is determined by engaging the blade teeth with the threads you are measuring.

This screw pitch gage measures the following screw pitches:

Leave Sizes: 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18 threads per inch (TPI)

Leave Sizes: 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50 threads per inch (TPI)

Leave Sizes: 52, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84 threads per inch (TPI)