SPI Screw Pitch Gage

For American National or U.S. Standard 60 V Threads

Features

• Precision sets of screw pitch gages.
• Knurled locking knob for securing in position.
• Narrow leaf design permits checking both external and internal threads

30 Leaves 4-42 Pitch

4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42