Thread pitch gauge metric and inches

Thread pitch gauge for metric and inches: clearly identify the threads on your bolt in case of doubt. Measures the windings per millimeter: n.20 sheets for metric thread 60° (DIN 13/14) and n.48 sheets for Whitworth thread 55°.

Thread:

• Whitworth: 4, 4.5, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62
• metric: 0.4, 0.5, 0.7, 0.75, 0.8, 1.0, 1.25, 1.50, 1.75, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0