Metric Coarse Thread
Metric Coarse Thread
Threaded fasteners, bolts, nuts, screws and fastenings
ISO Metric Coarse | PITCH | Major Diameter | Root Radius | Pitch Diameter | Minor Diameter male thread | Minor Diameter female thread | Thread Height male thread | Thread Height female thread | Tap Drill |
---|---|---|---|---|---|---|---|---|---|
P | d=D | r | d2=D2 | d3 | D1 | h3 | H1 | ||
M1 | 0.25 | 1.00 | 0.036 | 0.838 | 0.693 | 0.729 | 0.153 | 0.135 | 0.75 |
M1.1 | 0.25 | 1.10 | 0.036 | 0.938 | 0.793 | 0.829 | 0.153 | 0.135 | 0.85 |
M1.2 | 0.25 | 1.20 | 0.036 | 1.038 | 0.893 | 0.929 | 0.153 | 0.135 | 0.95 |
M1.4 | 0.30 | 1.40 | 0.043 | 1.205 | 1.032 | 1.075 | 0.184 | 0.162 | 1.10 |
M1.6 | 0.35 | 1.60 | 0.051 | 1.373 | 1.171 | 1.221 | 0.215 | 0.189 | 1.25 |
M1.8 | 0.35 | 1.80 | 0.051 | 1.573 | 1.371 | 1.421 | 0.215 | 0.189 | 1.45 |
M2 | 0.40 | 2.00 | 0.058 | 1.740 | 1.509 | 1.567 | 0.245 | 0.217 | 1.60 |
M2.2 | 0.45 | 2.20 | 0.065 | 1.908 | 1.648 | 1.713 | 0.276 | 0.244 | 1.75 |
M2.5 | 0.45 | 2.50 | 0.065 | 2.208 | 1.948 | 2.013 | 0.276 | 0.244 | 2.05 |
M3 | 0.50 | 3.00 | 0.072 | 2.675 | 2.387 | 2.459 | 0.307 | 0.271 | 2.50 |
M3.5 | 0.60 | 3.50 | 0.087 | 3.110 | 2.764 | 2.850 | 0.368 | 0.325 | 2.90 |
M4 | 0.70 | 4.00 | 0.101 | 3.545 | 3.141 | 3.242 | 0.429 | 0.379 | 3.30 |
M4.5 | 0.75 | 4.50 | 0.108 | 4.013 | 3.580 | 3.688 | 0.460 | 0.406 | 3.80 |
M5 | 0.80 | 5.00 | 0.115 | 4.480 | 4.019 | 4.134 | 0.491 | 0.433 | 4.20 |
M6 | 1.00 | 6.00 | 0.144 | 5.350 | 4.773 | 4.917 | 0.613 | 0.541 | 5.00 |
M7 | 1.00 | 7.00 | 0.144 | 6.350 | 5.773 | 5.917 | 0.613 | 0.541 | 6.00 |
M8 | 1.25 | 8.00 | 0.180 | 7.188 | 6.466 | 6.647 | 0.767 | 0.677 | 6.80 |
M9 | 1.25 | 9.00 | 0.180 | 8.188 | 7.466 | 7.647 | 0.767 | 0.677 | 7.80 |
M10 | 1.50 | 10.00 | 0.217 | 9.026 | 8.160 | 8.376 | 0.920 | 0.812 | 8.50 |
M11 | 1.50 | 11.00 | 0.217 | 10.026 | 9.160 | 9.376 | 0.920 | 0.812 | 9.50 |
M12 | 1.75 | 12.00 | 0.253 | 10.863 | 9.853 | 10.106 | 1.074 | 0.947 | 10.20 |
M14 | 2.00 | 14.00 | 0.289 | 12.701 | 11.546 | 11.835 | 1.227 | 1.083 | 12.00 |
M16 | 2.00 | 16.00 | 0.289 | 14.701 | 13.546 | 13.835 | 1.227 | 1.083 | 14.00 |
M18 | 2.50 | 18.00 | 0.361 | 16.376 | 14.933 | 15.394 | 1.534 | 1.353 | 15.50 |
M20 | 2.50 | 20.00 | 0.361 | 18.376 | 16.933 | 17.294 | 1.534 | 1.353 | 17.50 |
M22 | 2.50 | 22.00 | 0.361 | 20.376 | 18.933 | 19.294 | 1.534 | 1.353 | 19.50 |
M24 | 3.00 | 24.00 | 0.433 | 22.051 | 20.319 | 20.752 | 1.840 | 1.624 | 21.00 |
M27 | 3.00 | 27.00 | 0.433 | 25.051 | 23.319 | 23.752 | 1.840 | 1.624 | 24.00 |
M30 | 3.50 | 30.00 | 0.505 | 27.727 | 25.706 | 26.211 | 2.147 | 1.894 | 26.50 |
M33 | 3.50 | 33.00 | 0.505 | 30.727 | 28.706 | 29.211 | 2.147 | 1.894 | 29.50 |
M36 | 4.00 | 36.00 | 0.577 | 33.402 | 31.093 | 31.670 | 2.454 | 2.165 | 32.00 |
M39 | 4.00 | 39.00 | 0.577 | 36.402 | 34.093 | 34.670 | 2.454 | 2.165 | 35.00 |
M42 | 4.50 | 42.00 | 0.650 | 39.077 | 36.479 | 37.129 | 2.760 | 2.436 | 37.50 |
M45 | 4.50 | 45.00 | 0.650 | 42.077 | 39.479 | 40.129 | 2.760 | 2.436 | 40.50 |
M48 | 5.00 | 48.00 | 0.722 | 44.752 | 41.866 | 42.857 | 3.067 | 2.706 | 43.00 |
M52 | 5.00 | 52.00 | 0.722 | 48.752 | 45.866 | 46.587 | 3.067 | 2.706 | 47.00 |
M56 | 5.50 | 56.00 | 0.794 | 52.428 | 49.252 | 50.046 | 3.374 | 2.977 | 50.50 |
M60 | 5.50 | 60.00 | 0.794 | 56.428 | 53.252 | 54.046 | 3.374 | 2.977 | 54.50 |
M64 | 6.00 | 64.00 | 0.866 | 60.103 | 56.639 | 57.505 | 3.681 | 3.248 | 58.00 |
M68 | 6.00 | 68.00 | 0.866 | 64.103 | 60.639 | 61.505 | 3.681 | 3.248 | 62.00 |