Depth of Cut And Number of Passes

ISO Metric 60° External

No ofPitch(mm)
.0.50.750.81.01.251.51.752.02.53.03.54.04.55.05.56.0
PassesRadialinfeedperpass(mm)
10.1020.1780.1780.1780.1780.2290.2290.2540.2790.2790.3300.3300.3810.4060.4320.457
20.1020.1520.1520.1780.1780.2030.2030.2290.2540.2540.3050.3300.3300.3810.4060.432
30.0760.1020.1270.1270.1520.1780.1520.1780.2030.2030.2540.2540.2790.3300.3300.356
40.0760.0760.0760.1020.1270.1520.1520.1520.1780.1780.2030.2290.2290.2790.2790.305
50.3560.5080.5330.0760.1020.1270.1270.1520.1520.1520.1780.1780.2290.2290.2290.279
60.6600.0760.0760.1020.1270.1270.1520.1780.1780.2030.2290.2290.229
70.8130.9650.1020.1020.1270.1270.1520.1520.1780.2030.2030.229
80.0760.0760.1020.1270.1520.1520.1780.1780.1780.203
91.1431.2700.1020.1270.1520.1520.1520.1780.1780.203
100.0760.1020.1270.1270.1520.1780.1780.178
111.6000.1020.1020.1270.1520.1520.1520.178
120.0760.0760.1270.1270.1520.1520.152
131.8802.2100.1020.1270.1270.1270.152
140.0760.1020.1020.1270.152
152.5152.8193.1240.1270.127
160.1020.102
3.4293.734

Last pass equals total depth of thread.

ISO Metric 60° Internal

No ofPitch(mm)
.0.50.751.01.251.51.752.02.53.03.54.04.55.05.56.0
PassesRadial infeedperpass(mm)
10.1020.1780.1780.2030.2540.2290.2540.2790.2790.3050.3300.3560.3810.3810.406
20.1020.1270.1520.1780.2030.2030.2290.2290.2290.2790.3050.3300.3560.3560.406
30.0760.1020.1020.1270.1520.1520.1780.1780.2030.2290.2290.2790.3050.3050.356
40.0760.0760.1020.1020.1020.1270.1520.1520.1520.2030.2030.2290.2540.2540.279
50.3560.4830.0760.1020.1020.1020.1270.1520.1520.1780.1780.2030.2290.2290.229
60.6100.0760.0760.1020.1020.1270.1520.1520.1520.1780.2030.2030.229
70.7870.8890.1020.1020.1020.1270.1520.1520.1520.1780.1780.203
80.0760.0760.1020.1020.1520.1520.1520.1520.1780.178
91.0921.2190.1020.1020.1270.1270.1520.1520.1520.178
100.0760.1020.1020.1270.1520.1520.1520.152
111.4990.1020.1020.1020.1270.1520.1520.152
120.0760.0760.1020.1270.1520.1520.152
131.7782.0570.1020.1020.1270.1520.152
140.0760.1020.1020.1270.152
152.3372.6422.8960.1270.127
160.1020.102
3.2003.454

Last pass equals total depth of thread.