There are two kinds of ISO metric threads: coarse and fine. Both have the same profiles.

 

Actions Nominal Size Iso Mf Major Diameter Mm D=d Pitch Mm P Root Radius Mm R Pitch Diameter Mm D2=d2 Minor Diameter Male D3 Minor Diameter Female D1 Thread Depth Male mm Thread Depth Female mm Tap Drill Diameter Mm
1.0 1.000 0.250 0.036 0.838 0.693 0.729 0.153 0.135 0.8
1.1 1.100 0.250 0.036 0.938 0.793 0.829 0.153 0.135 0.9
1.2 1.200 0.250 0.036 1.038 0.893 0.929 0.153 0.135 1.0
1.4 1.400 0.300 0.043 1.205 1.032 1.075 0.184 0.162 1.1
1.6 1.600 0.350 0.051 1.373 1.171 1.221 0.215 0.189 1.3
1.8 1.800 0.350 0.051 1.573 1.371 1.421 0.215 0.189 1.5
2.0 2.000 0.400 0.058 1.740 1.509 1.567 0.245 0.217 1.6
2.2 2.200 0.450 0.065 1.908 1.648 1.713 0.276 0.244 1.8
2.5 2.500 0.450 0.065 2.208 1.948 2.013 0.276 0.244 2.1
3.0 3.000 0.500 0.072 2.675 2.387 2.459 0.307 0.271 2.5
3.5 3.500 0.600 0.087 3.110 2.764 2.850 0.368 0.325 2.9
4.0 4.000 0.700 0.101 3.545 3.141 3.242 0.429 0.379 3.3
4.5 4.500 0.750 0.108 4.013 3.580 3.688 0.460 0.406 3.8
5.0 5.000 0.800 0.115 4.480 4.019 4.134 0.491 0.433 4.2
6.0 6.000 1.000 0.144 5.350 4.773 4.917 0.613 0.541 5.0
7.0 7.000 1.000 0.144 6.350 5.773 5.917 0.613 0.541 6.0
8.0 8.000 1.250 0.180 7.188 6.466 6.647 0.767 0.677 6.8
9.0 9.000 1.250 0.180 8.188 7.466 7.647 0.767 0.677 7.8
10.0 10.000 1.500 0.217 9.026 8.160 8.376 0.920 0.812 8.5
11.0 11.000 1.500 0.217 10.026 9.160 9.376 0.920 0.812 9.5
12.0 12.000 1.750 0.253 10.863 9.853 10.106 1.074 0.947 10.2
14.0 14.000 2.000 0.289 12.701 11.546 11.835 1.227 1.083 12.0
16.0 16.000 2.000 0.289 14.701 13.546 13.835 1.227 1.083 14.0
18.0 18.000 2.500 0.361 16.376 14.933 15.394 1.534 1.353 15.5
20.0 20.000 2.500 0.361 18.376 16.933 17.294 1.534 1.353 17.5
22.0 22.000 2.500 0.361 20.376 18.933 19.294 1.534 1.353 19.5
24.0 24.000 3.000 0.433 22.051 20.319 20.752 1.840 1.624 21.0
27.0 27.000 3.000 0.433 25.051 23.319 23.752 1.840 1.624 24.0
30.0 30.000 3.500 0.505 27.727 25.706 26.211 2.147 1.894 26.5
33.0 33.000 3.500 0.505 30.727 28.706 29.211 2.147 1.894 29.5