Thread Pitch Gauge Set Included Thread Pitch - mm 0.4 mm 0.5 mm 0.7 mm 0.75 mm 0.8 mm 0.9 mm 1 mm 1.25 mm 1.5 mm 1.75 mm 2 mm 2.5 mm 3 mm 3.5 mm 4 mm 4.5 mm 5 mm 5.5 mm 6 mm 6.5 mm 7 mm Maximum TPI 7 mm Minimum TPI 0.4 mm Number of Leaves 22 Thread Angle 60 Degrees Thread Type Metric Gauge Material Steel