Metric Threads
The ISO Metric thread is one of the most commonly used type.
The 'M' designation indicates the major diameter of the nut (or nominal outer diameter of a screw or bolt) in millimeters. Typically the thread pitch is quoted too:
M6x1.5
This means it has a 6mm diameter with 1.5 threads per millimeter.
The design principles of ISO general-purpose metric screw threads ("M" series threads) are defined in ISO 68-1. Each thread is characterised by its major diameter and pitch.
The thread is a symmetric V shaped thread with the flanks having an angle of 60°.
Not all of the threads in the following table are preferred types. Some (especially those with fewer pitches defined) are non-preferred sizes. Generally these are very uncommon. However, Trojan has the facility to thread almost any thread size and pitch. Just enquire and we'll take care of your needs.
| Minor Dia | Pitch Dia | Major Dia | Tap Drill | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Thread | Pitch | Class | Min | Max | Min | Max | Min | Max | Basic |
| M3x0.5 | 0.5 | 6H | 2.459 | 2.599 | 2.675 | 2.775 | 3.000 | 3.172 | 2.500 |
| M3x0.35 | 0.35 | 6H | 2.621 | 2.721 | 2.773 | 2.863 | 3.000 | 3.141 | 2.650 |
| M3.5x0.6 | 0.6 | 6H | 2.850 | 3.010 | 3.110 | 3.222 | 3.500 | 3.699 | 2.900 |
| M3.5x0.35 | 0.35 | 6H | 3.121 | 3.221 | 3.273 | 3.363 | 3.500 | 3.641 | 3.150 |
| M4x0.7 | 0.7 | 6H | 3.242 | 3.422 | 3.545 | 3.663 | 4.000 | 4.219 | 3.300 |
| M4x0.5 | 0.5 | 6H | 3.459 | 3.599 | 3.675 | 3.775 | 4.000 | 4.172 | 3.500 |
| M4.5x0.75 | 0.75 | 6H | 3.688 | 3.878 | 4.013 | 4.131 | 4.500 | 4.726 | 3.750 |
| M4.5x0.5 | 0.5 | 6H | 3.959 | 4.099 | 4.175 | 4.275 | 4.500 | 4.672 | 4.000 |
| M5x0.8 | 0.8 | 6H | 4.134 | 4.334 | 4.480 | 4.605 | 5.000 | 5.240 | 4.200 |
| M5x0.5 | 0.5 | 6H | 4.459 | 4.599 | 4.675 | 4.775 | 5.000 | 5.172 | 4.500 |
| M5.5x0.5 | 0.5 | 6H | 4.959 | 5.099 | 5.175 | 5.295 | 5.500 | 5.692 | 5.000 |
| M6x1 | 1 | 6H | 4.917 | 5.153 | 5.350 | 5.500 | 6.000 | 6.294 | 5.000 |
| M6x0.8 | 0.8 | 6H | 5.134 | 5.334 | 5.480 | 5.586 | 6.000 | 6.221 | 5.200 |
| M6x0.75 | 0.75 | 6H | 5.188 | 5.378 | 5.513 | 5.645 | 6.000 | 6.240 | 5.250 |
| M6x0.7 | 0.7 | 6H | 5.242 | 5.422 | 5.545 | 5.671 | 6.000 | 6.226 | 5.300 |
| M6x0.5 | 0.5 | 6H | 5.459 | 5.599 | 5.675 | 5.787 | 6.000 | 6.184 | 5.500 |
| M7x1 | 1 | 6H | 5.917 | 6.153 | 6.350 | 6.500 | 7.000 | 7.294 | 6.000 |
| M7x0.75 | 0.75 | 6H | 6.188 | 6.378 | 6.513 | 6.645 | 7.000 | 7.240 | 6.250 |
| M7x0.5 | 0.5 | 6H | 6.459 | 6.599 | 6.675 | 6.787 | 7.000 | 7.184 | 6.500 |
| M8x1.25 | 1.25 | 6H | 6.647 | 6.912 | 7.188 | 7.348 | 8.000 | 8.340 | 6.750 |
| M8x1 | 1 | 6H | 6.917 | 7.153 | 7.350 | 7.500 | 8.000 | 8.294 | 7.000 |
| M8x0.8 | 0.8 | 6H | 7.134 | 7.334 | 7.480 | 7.620 | 8.000 | 8.255 | 7.200 |
| M8x0.75 | 0.75 | 6H | 7.188 | 7.378 | 7.513 | 7.645 | 8.000 | 8.240 | 7.250 |
| M8x0.5 | 0.5 | 6H | 7.459 | 7.599 | 7.675 | 7.787 | 8.000 | 8.184 | 7.500 |
| M9x1.25 | 1.25 | 6H | 7.647 | 7.912 | 8.188 | 8.348 | 9.000 | 9.340 | 7.750 |
| M9x1 | 1 | 6H | 7.917 | 8.153 | 8.350 | 8.498 | 9.000 | 9.292 | 8.000 |
| M9x0.75 | 0.75 | 6H | 8.188 | 8.378 | 8.513 | 8.645 | 9.000 | 9.240 | 8.250 |
| M9x0.5 | 0.5 | 6H | 8.459 | 8.599 | 8.675 | 8.787 | 9.000 | 9.184 | 8.500 |
| M10x1.5 | 1.5 | 6H | 8.376 | 8.676 | 9.026 | 9.206 | 10.000 | 10.396 | 8.500 |
| M10x1.25 | 1.25 | 6H | 8.647 | 8.912 | 9.188 | 9.348 | 10.000 | 10.340 | 8.750 |
| M10x1.12 | 1.12 | 6H | 8.788 | 9.038 | 9.273 | 9.433 | 10.000 | 10.322 | 8.880 |
| M10x1 | 1 | 6H | 8.917 | 9.153 | 9.350 | 9.500 | 10.000 | 10.294 | 9.000 |
| M10x0.75 | 0.75 | 6H | 9.188 | 9.378 | 9.513 | 9.645 | 10.000 | 10.240 | 9.250 |
| M10x0.5 | 0.5 | 6H | 9.459 | 9.599 | 9.675 | 9.787 | 10.000 | 10.184 | 9.500 |
| M11x1.5 | 1.5 | 6H | 9.376 | 9.676 | 10.026 | 10.196 | 11.000 | 11.387 | 9.500 |
| M11x1 | 1 | 6H | 9.917 | 10.153 | 10.350 | 10.500 | 11.000 | 11.294 | 10.000 |
| M11x0.75 | 0.75 | 6H | 10.188 | 10.378 | 10.513 | 10.645 | 11.000 | 11.240 | 10.250 |
| M11x0.5 | 0.5 | 6H | 10.459 | 10.599 | 10.675 | 10.787 | 11.000 | 11.184 | 10.500 |
| M12x1.75 | 1.75 | 6H | 10.106 | 10.441 | 10.863 | 11.063 | 12.000 | 12.453 | 10.250 |
| M12x1.5 | 1.5 | 6H | 10.376 | 10.676 | 11.026 | 11.216 | 12.000 | 12.406 | 10.500 |
| M12x1.25 | 1.25 | 6H | 10.647 | 10.912 | 11.188 | 11.368 | 12.000 | 12.360 | 10.750 |
| M12x1 | 1 | 6H | 10.917 | 11.153 | 11.350 | 11.510 | 12.000 | 12.304 | 11.000 |
| M12x0.75 | 0.75 | 6H | 11.188 | 11.378 | 11.513 | 11.653 | 12.000 | 12.248 | 11.250 |
| M12x0.5 | 0.5 | 6H | 11.459 | 11.599 | 11.675 | 11.795 | 12.000 | 12.192 | 11.500 |
| M14x2 | 2 | 6H | 11.835 | 12.210 | 12.701 | 12.913 | 14.000 | 14.501 | 12.000 |
| M14x1.5 | 1.5 | 6H | 12.376 | 12.676 | 13.026 | 13.216 | 14.000 | 14.406 | 12.500 |
| M14x1.25 | 1.25 | 6H | 12.647 | 12.912 | 13.188 | 13.358 | 14.000 | 14.350 | 12.750 |
| M14x1 | 1 | 6H | 12.917 | 13.153 | 13.350 | 13.510 | 14.000 | 14.304 | 13.000 |
| M14x0.75 | 0.75 | 6H | 13.188 | 13.378 | 13.513 | 13.653 | 14.000 | 14.248 | 13.250 |
| M14x0.5 | 0.5 | 6H | 13.459 | 13.599 | 13.675 | 13.795 | 14.000 | 14.192 | 13.500 |
| M15x1.5 | 1.5 | 6H | 13.376 | 13.676 | 14.026 | 14.216 | 15.000 | 15.407 | 13.500 |
| M15x1 | 1 | 6H | 13.917 | 14.153 | 14.350 | 14.510 | 15.000 | 15.304 | 14.000 |
| M16x2 | 2 | 6H | 13.835 | 14.210 | 14.701 | 14.913 | 16.000 | 16.501 | 14.000 |
| M16x1.6 | 1.6 | 6H | 14.268 | 14.568 | 14.961 | 15.101 | 16.000 | 16.371 | 14.400 |
| M16x1.5 | 1.5 | 6H | 14.376 | 14.676 | 15.026 | 15.216 | 16.000 | 16.406 | 14.500 |
| M16x1.25 | 1.25 | 6H | 14.647 | 14.912 | 15.188 | 15.358 | 16.000 | 16.350 | 14.750 |
| M16x1 | 1 | 6H | 14.917 | 15.153 | 15.350 | 15.510 | 16.000 | 16.304 | 15.000 |
| M16x0.75 | 0.75 | 6H | 15.188 | 15.378 | 15.513 | 15.653 | 16.000 | 16.248 | 15.250 |
| M16x0.5 | 0.5 | 6H | 15.459 | 15.599 | 15.675 | 15.795 | 16.000 | 16.192 | 15.500 |
| M17x1.5 | 1.5 | 6H | 15.376 | 15.676 | 16.026 | 16.216 | 17.000 | 17.407 | 15.500 |
| M17x1 | 1 | 6H | 15.917 | 16.153 | 16.350 | 16.510 | 17.000 | 17.304 | 16.000 |
| M18x2.5 | 2.5 | 6H | 15.294 | 15.744 | 16.376 | 16.601 | 18.000 | 18.585 | 15.500 |
| M18x2 | 2 | 6H | 15.835 | 16.210 | 16.701 | 16.913 | 18.000 | 18.501 | 16.000 |
| M18x1.5 | 1.5 | 6H | 16.376 | 16.676 | 17.026 | 17.216 | 18.000 | 18.406 | 16.500 |
| M18x1.25 | 1.25 | 6H | 16.647 | 16.912 | 17.188 | 17.358 | 18.000 | 18.350 | 16.750 |
| M18x1 | 1 | 6H | 16.917 | 17.153 | 17.350 | 17.510 | 18.000 | 18.304 | 17.000 |
| M18x0.75 | 0.75 | 6H | 17.188 | 17.378 | 17.513 | 17.653 | 18.000 | 18.248 | 17.250 |
| M18x0.5 | 0.5 | 6H | 17.459 | 17.599 | 17.675 | 17.795 | 18.000 | 18.192 | 17.500 |
| M20x2.5 | 2.5 | 6H | 17.294 | 17.744 | 18.376 | 18.600 | 20.000 | 20.585 | 17.500 |
| M20x2 | 2 | 6H | 17.835 | 18.210 | 18.701 | 18.913 | 20.000 | 20.501 | 18.000 |
| M20x1.5 | 1.5 | 6H | 18.376 | 18.676 | 19.026 | 19.216 | 20.000 | 20.406 | 18.500 |
| M20x1 | 1 | 6H | 18.917 | 19.153 | 19.350 | 19.510 | 20.000 | 20.304 | 19.000 |
| M20x0.75 | 0.75 | 6H | 19.188 | 19.378 | 19.513 | 19.653 | 20.000 | 20.248 | 19.250 |
| M20x0.5 | 0.5 | 6H | 19.459 | 19.599 | 19.675 | 19.795 | 20.000 | 20.192 | 19.500 |
| M22x3 | 3 | 6H | 18.752 | 19.252 | 20.051 | 20.296 | 22.000 | 22.677 | 19.000 |
| M22x2.5 | 2.5 | 6H | 19.294 | 19.744 | 20.376 | 20.600 | 22.000 | 22.585 | 19.500 |
| M22x2 | 2 | 6H | 19.835 | 20.210 | 20.701 | 20.913 | 22.000 | 22.501 | 20.000 |
| M22x1.5 | 1.5 | 6H | 20.376 | 20.676 | 21.026 | 21.216 | 22.000 | 22.406 | 20.500 |
| M22x1 | 1 | 6H | 20.917 | 21.153 | 21.350 | 21.510 | 22.000 | 22.304 | 21.000 |
| M22x0.75 | 0.75 | 6H | 21.188 | 21.378 | 21.513 | 21.653 | 22.000 | 22.248 | 21.250 |
| M22x0.5 | 0.5 | 6H | 21.459 | 21.599 | 21.675 | 21.795 | 22.000 | 22.192 | 21.500 |
| M24x3 | 3 | 6H | 20.752 | 21.252 | 22.051 | 22.316 | 24.000 | 24.698 | 21.000 |
| M24x2.5 | 2.5 | 6H | 21.294 | 21.744 | 22.376 | 22.626 | 24.000 | 24.611 | 21.500 |
| M24x2 | 2 | 6H | 21.835 | 22.210 | 22.701 | 22.925 | 24.000 | 24.513 | 22.000 |
| M24x1.5 | 1.5 | 6H | 22.376 | 22.676 | 23.026 | 23.226 | 24.000 | 24.417 | 22.500 |
| M24x1 | 1 | 6H | 22.917 | 23.153 | 23.350 | 23.520 | 24.000 | 24.314 | 23.000 |
| M24x0.75 | 0.75 | 6H | 23.188 | 23.378 | 23.513 | 23.663 | 24.000 | 24.258 | 23.250 |
| M25x2 | 2 | 6H | 22.835 | 23.210 | 23.701 | 23.925 | 25.000 | 25.513 | 23.000 |
| M25x1.5 | 1.5 | 6H | 23.376 | 23.676 | 24.026 | 24.226 | 25.000 | 25.416 | 23.500 |
| M25x1 | 1 | 6H | 23.917 | 24.153 | 24.350 | 24.520 | 25.000 | 25.314 | 24.000 |
| M26x1.5 | 1.5 | 6H | 24.376 | 24.676 | 25.026 | 25.226 | 26.000 | 26.417 | 24.500 |
| M27x3 | 3 | 6H | 23.752 | 24.252 | 25.051 | 25.316 | 27.000 | 27.698 | 24.000 |
| M27x2 | 2 | 6H | 24.835 | 25.210 | 25.701 | 25.925 | 27.000 | 27.513 | 25.000 |
| M27x1.5 | 1.5 | 6H | 25.376 | 25.676 | 26.026 | 26.226 | 27.000 | 27.417 | 25.500 |
| M27x1 | 1 | 6H | 25.917 | 26.153 | 26.350 | 26.520 | 27.000 | 27.314 | 26.000 |
| M27x0.75 | 0.75 | 6H | 26.188 | 26.378 | 26.513 | 26.663 | 27.000 | 27.258 | 26.250 |
| M28x2 | 2 | 6H | 25.835 | 26.210 | 26.701 | 26.925 | 28.000 | 28.513 | 26.000 |
| M28x1.5 | 1.5 | 6H | 26.376 | 26.676 | 27.026 | 27.226 | 28.000 | 28.417 | 26.500 |
| M28x1 | 1 | 6H | 26.917 | 27.153 | 27.350 | 27.520 | 28.000 | 28.314 | 27.000 |
| M30x3.5 | 3.5 | 6H | 26.211 | 26.771 | 27.727 | 28.007 | 30.000 | 30.785 | 26.500 |
| M30x3 | 3 | 6H | 26.752 | 27.252 | 28.051 | 28.316 | 30.000 | 30.698 | 27.000 |
| M30x2.5 | 2.5 | 6H | 27.294 | 27.744 | 28.376 | 28.626 | 30.000 | 30.611 | 27.500 |
| M30x2 | 2 | 6H | 27.835 | 28.210 | 28.701 | 28.925 | 30.000 | 30.513 | 28.000 |
| M30x1.5 | 1.5 | 6H | 28.376 | 28.676 | 29.026 | 29.226 | 30.000 | 30.416 | 28.500 |
| M30x1 | 1 | 6H | 28.917 | 29.153 | 29.350 | 29.520 | 30.000 | 30.314 | 29.000 |
| M30x0.75 | 0.75 | 6H | 29.188 | 29.378 | 29.513 | 29.663 | 30.000 | 30.258 | 29.250 |
| M32x2 | 2 | 6H | 29.835 | 30.210 | 30.701 | 30.925 | 32.000 | 32.513 | 30.000 |
| M32x1.5 | 1.5 | 6H | 30.376 | 30.676 | 31.026 | 31.226 | 32.000 | 32.417 | 30.500 |
| M33x3.5 | 3.5 | 6H | 29.211 | 29.771 | 30.727 | 31.007 | 33.000 | 33.785 | 29.500 |
| M33x3 | 3 | 6H | 29.752 | 30.252 | 31.051 | 31.316 | 33.000 | 33.698 | 30.000 |
| M33x2 | 2 | 6H | 30.835 | 31.210 | 31.701 | 31.925 | 33.000 | 33.513 | 31.000 |
| M33x1.5 | 1.5 | 6H | 31.376 | 31.676 | 32.026 | 32.226 | 33.000 | 33.417 | 31.500 |
| M33x1 | 1 | 6H | 31.917 | 32.153 | 32.350 | 32.520 | 33.000 | 33.314 | 32.000 |
| M33x0.75 | 0.75 | 6H | 32.188 | 32.378 | 32.513 | 32.663 | 33.000 | 33.258 | 32.250 |
| M35x1.5 | 1.5 | 6H | 33.376 | 33.676 | 34.026 | 34.226 | 35.000 | 35.416 | 33.500 |
| M36x4 | 4 | 6H | 31.670 | 32.270 | 33.402 | 33.702 | 36.000 | 36.877 | 32.000 |
| M36x3 | 3 | 6H | 32.752 | 33.252 | 34.051 | 34.316 | 36.000 | 36.698 | 33.000 |
| M36x2 | 2 | 6H | 33.835 | 34.210 | 34.701 | 34.925 | 36.000 | 36.513 | 34.000 |
| M36x1.5 | 1.5 | 6H | 34.376 | 34.676 | 35.026 | 35.226 | 36.000 | 36.417 | 34.500 |
| M36x1 | 1 | 6H | 34.917 | 35.153 | 35.350 | 35.520 | 36.000 | 36.314 | 35.000 |
| M38x1.5 | 1.5 | 6H | 36.376 | 36.676 | 37.026 | 37.226 | 38.000 | 38.417 | 36.500 |
| M39x4 | 4 | 6H | 34.670 | 35.270 | 36.402 | 36.702 | 39.000 | 39.877 | 35.000 |
| M39x3 | 3 | 6H | 35.752 | 36.252 | 37.051 | 37.316 | 39.000 | 39.698 | 36.000 |
| M39x2 | 2 | 6H | 36.835 | 37.210 | 37.701 | 37.925 | 39.000 | 39.513 | 37.000 |
| M39x1.5 | 1.5 | 6H | 37.376 | 37.676 | 38.026 | 38.226 | 39.000 | 39.417 | 37.500 |
| M39x1 | 1 | 6H | 37.917 | 38.153 | 38.350 | 38.520 | 39.000 | 39.314 | 38.000 |
| M40x3 | 3 | 6H | 36.752 | 37.252 | 38.051 | 38.316 | 40.000 | 40.698 | 37.000 |
| M40x2.5 | 2.5 | 6H | 37.294 | 37.744 | 38.376 | 38.626 | 40.000 | 40.611 | 37.500 |
| M40x2 | 2 | 6H | 37.835 | 38.210 | 38.701 | 38.925 | 40.000 | 40.513 | 38.000 |
| M40x1.5 | 1.5 | 6H | 38.376 | 38.676 | 39.026 | 39.226 | 40.000 | 40.416 | 38.500 |
| M42x4.5 | 4.5 | 6H | 37.129 | 37.799 | 39.077 | 39.392 | 42.000 | 42.965 | 37.500 |
| M42x4 | 4 | 6H | 37.670 | 38.270 | 39.402 | 39.702 | 42.000 | 42.877 | 38.000 |
| M42x3 | 3 | 6H | 38.752 | 39.252 | 40.051 | 40.316 | 42.000 | 42.698 | 39.000 |
| M42x2 | 2 | 6H | 39.835 | 40.210 | 40.701 | 40.925 | 42.000 | 42.513 | 40.000 |
| M42x1.5 | 1.5 | 6H | 40.376 | 40.676 | 41.026 | 41.226 | 42.000 | 42.417 | 40.500 |
| M42x1 | 1 | 6H | 40.917 | 41.153 | 41.350 | 41.520 | 42.000 | 42.314 | 41.000 |
| M45x4.5 | 4.5 | 6H | 40.129 | 40.799 | 42.077 | 42.392 | 45.000 | 45.965 | 40.500 |
| M45x4 | 4 | 6H | 40.670 | 41.270 | 42.402 | 42.702 | 45.000 | 45.877 | 41.000 |
| M45x3 | 3 | 6H | 41.752 | 42.252 | 43.051 | 43.316 | 45.000 | 45.698 | 42.000 |
| M45x2 | 2 | 6H | 42.835 | 43.210 | 43.701 | 43.925 | 45.000 | 45.513 | 43.000 |
| M45x1.5 | 1.5 | 6H | 43.376 | 43.676 | 44.026 | 44.226 | 45.000 | 45.416 | 43.500 |
| M45x1 | 1 | 6H | 43.917 | 44.153 | 44.350 | 44.520 | 45.000 | 45.314 | 44.000 |
| M48x5 | 5 | 6H | 42.587 | 43.297 | 44.752 | 45.087 | 48.000 | 49.057 | 43.000 |
| M48x4 | 4 | 6H | 43.670 | 44.270 | 45.402 | 45.717 | 48.000 | 48.892 | 44.000 |
| M48x3 | 3 | 6H | 44.752 | 45.252 | 46.051 | 46.331 | 48.000 | 48.713 | 45.000 |
| M48x2 | 2 | 6H | 45.835 | 46.210 | 46.701 | 46.937 | 48.000 | 48.525 | 46.000 |
| M48x1.5 | 1.5 | 6H | 46.376 | 46.676 | 47.026 | 47.238 | 48.000 | 48.429 | 46.500 |
| M50x4 | 4 | 6H | 45.670 | 46.270 | 47.402 | 47.717 | 50.000 | 50.892 | 46.000 |
| M50x3 | 3 | 6H | 46.752 | 47.252 | 48.051 | 48.331 | 50.000 | 50.713 | 47.000 |
| M50x2 | 2 | 6H | 47.835 | 48.210 | 48.701 | 48.937 | 50.000 | 50.525 | 48.000 |
| M50x1.5 | 1.5 | 6H | 48.376 | 48.676 | 49.026 | 49.238 | 50.000 | 50.428 | 48.500 |
| M52x5 | 5 | 6H | 46.587 | 47.297 | 48.752 | 49.067 | 52.000 | 53.037 | 47.000 |
| M52x4 | 4 | 6H | 47.670 | 48.270 | 49.402 | 49.717 | 52.000 | 52.892 | 48.000 |
| M52x3 | 3 | 6H | 48.752 | 49.252 | 50.051 | 50.331 | 52.000 | 52.713 | 49.000 |
| M52x2 | 2 | 6H | 49.835 | 50.210 | 50.701 | 50.937 | 52.000 | 52.525 | 50.000 |
| M52x1.5 | 1.5 | 6H | 50.376 | 50.676 | 51.026 | 51.238 | 52.000 | 52.429 | 50.500 |
| M55x4 | 4 | 6H | 50.670 | 51.270 | 52.402 | 52.717 | 55.000 | 55.892 | 51.000 |
| M55x3 | 3 | 6H | 51.752 | 52.252 | 53.051 | 53.331 | 55.000 | 55.713 | 52.000 |
| M55x2 | 2 | 6H | 52.835 | 53.210 | 53.701 | 53.937 | 55.000 | 55.525 | 53.000 |
| M55x1.5 | 1.5 | 6H | 53.376 | 53.676 | 54.026 | 54.238 | 55.000 | 55.428 | 53.500 |
| M56x6.5 | 6.5 | 6H | 48.964 | 49.814 | 51.778 | 52.178 | 56.000 | 57.338 | 49.500 |
| M56x5.5 | 5.5 | 6H | 50.046 | 50.796 | 52.428 | 52.783 | 56.000 | 57.149 | 50.500 |
| M56x4 | 4 | 6H | 51.670 | 52.270 | 53.402 | 53.717 | 56.000 | 56.892 | 52.000 |
| M56x3 | 3 | 6H | 52.752 | 53.252 | 54.051 | 54.331 | 56.000 | 56.713 | 53.000 |
| M56x2 | 2 | 6H | 53.835 | 54.210 | 54.701 | 54.937 | 56.000 | 56.525 | 54.000 |
| M56x1.5 | 1.5 | 6H | 54.376 | 54.676 | 55.026 | 55.238 | 56.000 | 56.429 | 54.500 |
| M56x1 | 1 | 6H | 54.917 | 55.153 | 55.350 | 55.540 | 56.000 | 56.334 | 55.000 |
| M58x4 | 4 | 6H | 53.670 | 54.270 | 55.402 | 55.717 | 58.000 | 58.892 | 54.000 |
| M58x3 | 3 | 6H | 54.752 | 55.252 | 56.051 | 56.331 | 58.000 | 58.713 | 55.000 |
| M58x2 | 2 | 6H | 55.835 | 56.210 | 56.701 | 56.937 | 58.000 | 58.525 | 56.000 |
| M58x1.5 | 1.5 | 6H | 56.376 | 56.676 | 57.026 | 57.238 | 58.000 | 58.429 | 56.500 |
| M60x5.5 | 5.5 | 6H | 54.046 | 54.796 | 56.428 | 56.783 | 60.000 | 61.149 | 54.500 |
| M60x4 | 4 | 6H | 55.670 | 56.270 | 57.402 | 57.717 | 60.000 | 60.892 | 56.000 |
| M60x3 | 3 | 6H | 56.752 | 57.252 | 58.051 | 58.331 | 60.000 | 60.713 | 57.000 |
| M60x2 | 2 | 6H | 57.835 | 58.210 | 58.701 | 58.937 | 60.000 | 60.525 | 58.000 |
| M60x1.5 | 1.5 | 6H | 58.376 | 58.676 | 59.026 | 59.238 | 60.000 | 60.428 | 58.500 |
| M60x1 | 1 | 6H | 58.917 | 59.153 | 59.350 | 59.540 | 60.000 | 60.334 | 59.000 |
| M62x4 | 4 | 6H | 57.670 | 58.270 | 59.402 | 59.717 | 62.000 | 62.892 | 58.000 |
| M62x3 | 3 | 6H | 58.752 | 59.252 | 60.051 | 60.331 | 62.000 | 62.713 | 59.000 |
| M62x2 | 2 | 6H | 59.835 | 60.210 | 60.701 | 60.937 | 62.000 | 62.525 | 60.000 |
| M62x1.5 | 1.5 | 6H | 60.376 | 60.676 | 61.026 | 61.238 | 62.000 | 62.429 | 60.500 |
| M63x1.5 | 1.5 | 6H | 61.376 | 61.676 | 62.026 | 62.238 | 63.000 | 63.429 | 61.500 |
| M64x6 | 6 | 6H | 57.505 | 58.305 | 60.103 | 60.478 | 64.000 | 65.241 | 58.000 |
| M64x5.5 | 5.5 | 6H | 58.046 | 58.796 | 60.428 | 60.783 | 64.000 | 65.149 | 58.500 |
| M64x4 | 4 | 6H | 59.670 | 60.270 | 61.402 | 61.717 | 64.000 | 64.892 | 60.000 |
| M64x3 | 3 | 6H | 60.752 | 61.252 | 62.051 | 62.331 | 64.000 | 64.713 | 61.000 |
| M64x2 | 2 | 6H | 61.835 | 62.210 | 62.701 | 62.937 | 64.000 | 64.525 | 62.000 |
| M64x1.5 | 1.5 | 6H | 62.376 | 62.676 | 63.026 | 63.238 | 64.000 | 64.429 | 62.500 |
| M64x1 | 1 | 6H | 62.917 | 63.153 | 63.350 | 63.540 | 64.000 | 64.334 | 63.000 |
| M65x4 | 4 | 6H | 60.670 | 61.270 | 62.402 | 62.717 | 65.000 | 65.892 | 61.000 |
| M65x3 | 3 | 6H | 61.752 | 62.252 | 63.051 | 63.331 | 65.000 | 65.713 | 62.000 |
| M65x2 | 2 | 6H | 62.835 | 63.210 | 63.701 | 63.937 | 65.000 | 65.525 | 63.000 |
| M65x1.5 | 1.5 | 6H | 63.376 | 63.676 | 64.026 | 64.238 | 65.000 | 65.428 | 63.500 |
| M68x6 | 6 | 6H | 61.505 | 62.305 | 64.103 | 64.478 | 68.000 | 69.241 | 62.000 |
| M68x4 | 4 | 6H | 63.670 | 64.270 | 65.402 | 65.717 | 68.000 | 68.892 | 64.000 |
| M68x3 | 3 | 6H | 64.752 | 65.252 | 66.051 | 66.331 | 68.000 | 68.713 | 65.000 |
| M68x2 | 2 | 6H | 65.835 | 66.210 | 66.701 | 66.937 | 68.000 | 68.525 | 66.000 |
| M68x1.5 | 1.5 | 6H | 66.376 | 66.676 | 67.026 | 67.238 | 68.000 | 68.429 | 66.500 |
| M68x1 | 1 | 6H | 66.917 | 67.153 | 67.350 | 67.540 | 68.000 | 68.334 | 67.000 |
| M70x6 | 6 | 6H | 63.505 | 64.305 | 66.103 | 66.478 | 70.000 | 71.241 | 64.000 |
| M70x4 | 4 | 6H | 65.670 | 66.270 | 67.402 | 67.717 | 70.000 | 70.892 | 66.000 |
| M70x3 | 3 | 6H | 66.752 | 67.252 | 68.051 | 68.331 | 70.000 | 70.713 | 67.000 |
| M70x2 | 2 | 6H | 67.835 | 68.210 | 68.701 | 68.937 | 70.000 | 70.525 | 68.000 |
| M70x1.5 | 1.5 | 6H | 68.376 | 68.676 | 69.026 | 69.238 | 70.000 | 70.428 | 68.500 |
| M72x6 | 6 | 6H | 65.505 | 66.305 | 68.103 | 68.478 | 72.000 | 73.241 | 66.000 |
| M72x4 | 4 | 6H | 67.670 | 68.270 | 69.402 | 69.717 | 72.000 | 72.892 | 68.000 |
| M72x3 | 3 | 6H | 68.752 | 69.252 | 70.051 | 70.331 | 72.000 | 72.713 | 69.000 |
| M72x2 | 2 | 6H | 69.835 | 70.210 | 70.701 | 70.937 | 72.000 | 72.525 | 70.000 |
| M72x1.5 | 1.5 | 6H | 70.376 | 70.676 | 71.026 | 71.238 | 72.000 | 72.429 | 70.500 |
| M72x1 | 1 | 6H | 70.917 | 71.153 | 71.350 | 71.540 | 72.000 | 72.334 | 71.000 |
| M75x6 | 6 | 6H | 68.505 | 69.305 | 71.103 | 71.478 | 75.000 | 76.241 | 69.000 |
| M75x4 | 4 | 6H | 70.670 | 71.270 | 72.402 | 72.717 | 75.000 | 75.892 | 71.000 |
| M75x3 | 3 | 6H | 71.752 | 72.252 | 73.051 | 73.331 | 75.000 | 75.713 | 72.000 |
| M75x2 | 2 | 6H | 72.835 | 73.210 | 73.701 | 73.937 | 75.000 | 75.525 | 73.000 |
| M75x1.5 | 1.5 | 6H | 73.376 | 73.676 | 74.026 | 74.238 | 75.000 | 75.428 | 73.500 |
| M76x6 | 6 | 6H | 69.505 | 70.305 | 72.103 | 72.478 | 76.000 | 77.241 | 70.000 |
| M76x4 | 4 | 6H | 71.670 | 72.270 | 73.402 | 73.717 | 76.000 | 76.892 | 72.000 |
| M76x3 | 3 | 6H | 72.752 | 73.252 | 74.051 | 74.331 | 76.000 | 76.713 | 73.000 |
| M76x2 | 2 | 6H | 73.835 | 74.210 | 74.701 | 74.937 | 76.000 | 76.525 | 74.000 |
| M76x1.5 | 1.5 | 6H | 74.376 | 74.676 | 75.026 | 75.238 | 76.000 | 76.429 | 74.500 |
| M76x1 | 1 | 6H | 74.917 | 75.153 | 75.350 | 75.540 | 76.000 | 76.334 | 75.000 |
| M78x2 | 2 | 6H | 75.835 | 76.210 | 76.701 | 76.937 | 78.000 | 78.525 | 76.000 |
| M80x6 | 6 | 6H | 73.505 | 74.305 | 76.103 | 76.478 | 80.000 | 81.241 | 74.000 |
| M80x4 | 4 | 6H | 75.670 | 76.270 | 77.402 | 77.717 | 80.000 | 80.892 | 76.000 |
| M80x3 | 3 | 6H | 76.752 | 77.252 | 78.051 | 78.331 | 80.000 | 80.713 | 77.000 |
| M80x2 | 2 | 6H | 77.835 | 78.210 | 78.701 | 78.937 | 80.000 | 80.525 | 78.000 |
| M80x1.5 | 1.5 | 6H | 78.376 | 78.676 | 79.026 | 79.238 | 80.000 | 80.428 | 78.500 |
| M80x1 | 1 | 6H | 78.917 | 79.153 | 79.350 | 79.540 | 80.000 | 80.334 | 79.000 |
| M82x2 | 2 | 6H | 79.835 | 80.210 | 80.701 | 80.937 | 82.000 | 82.525 | 80.000 |
| M85x6 | 6 | 6H | 78.505 | 79.305 | 81.103 | 81.478 | 85.000 | 86.241 | 79.000 |
| M85x4 | 4 | 6H | 80.670 | 81.270 | 82.402 | 82.717 | 85.000 | 85.892 | 81.000 |
| M85x3 | 3 | 6H | 81.752 | 82.252 | 83.051 | 83.331 | 85.000 | 85.713 | 82.000 |
| M85x2 | 2 | 6H | 82.835 | 83.210 | 83.701 | 83.937 | 85.000 | 85.525 | 83.000 |
| M85x1.5 | 1.5 | 6H | 83.376 | 83.676 | 84.026 | 84.238 | 85.000 | 85.429 | 83.500 |
| M90x6 | 6 | 6H | 83.505 | 84.305 | 86.103 | 86.478 | 90.000 | 91.241 | 84.000 |
| M90x4 | 4 | 6H | 85.670 | 86.270 | 87.402 | 87.717 | 90.000 | 90.892 | 86.000 |
| M90x3 | 3 | 6H | 86.752 | 87.252 | 88.051 | 88.331 | 90.000 | 90.713 | 87.000 |
| M90x2 | 2 | 6H | 87.835 | 88.210 | 88.701 | 88.937 | 90.000 | 90.525 | 88.000 |
| M90x1.5 | 1.5 | 6H | 88.376 | 88.676 | 89.026 | 89.238 | 90.000 | 90.429 | 88.500 |
| M95x6 | 6 | 6H | 88.505 | 89.305 | 91.103 | 91.503 | 95.000 | 96.266 | 89.000 |
| M95x4 | 4 | 6H | 90.670 | 91.270 | 92.402 | 92.737 | 95.000 | 95.912 | 91.000 |
| M95x3 | 3 | 6H | 91.752 | 92.252 | 93.051 | 93.351 | 95.000 | 95.733 | 92.000 |
| M95x2 | 2 | 6H | 92.835 | 93.210 | 93.701 | 93.951 | 95.000 | 95.539 | 93.000 |
| M95x1.5 | 1.5 | 6H | 93.376 | 93.676 | 94.026 | 94.262 | 95.000 | 95.453 | 93.500 |
| M100x6 | 6 | 6H | 93.505 | 94.305 | 96.103 | 96.503 | 100.000 | 101.266 | 94.000 |
| M100x4 | 4 | 6H | 95.670 | 96.270 | 97.402 | 97.737 | 100.000 | 100.912 | 96.000 |
| M100x3 | 3 | 6H | 96.752 | 97.252 | 98.051 | 98.351 | 100.000 | 100.733 | 97.000 |
| M100x2 | 2 | 6H | 97.835 | 98.210 | 98.701 | 98.951 | 100.000 | 100.539 | 98.000 |
| M100x1.5 | 1.5 | 6H | 98.376 | 98.676 | 99.026 | 99.262 | 100.000 | 100.453 | 98.500 |
| M105x6 | 6 | 6H | 98.505 | 99.305 | 101.103 | 101.503 | 105.000 | 106.266 | 99.000 |
| M105x4 | 4 | 6H | 100.670 | 101.270 | 102.402 | 102.737 | 105.000 | 105.912 | 101.000 |
| M105x3 | 3 | 6H | 101.752 | 102.252 | 103.051 | 103.351 | 105.000 | 105.733 | 102.000 |
| M105x2 | 2 | 6H | 102.835 | 103.210 | 103.701 | 103.951 | 105.000 | 105.539 | 103.000 |
| M105x1.5 | 1.5 | 6H | 103.376 | 103.676 | 104.026 | 104.262 | 105.000 | 105.453 | 103.500 |
| M110x6 | 6 | 6H | 103.505 | 104.305 | 106.103 | 106.503 | 110.000 | 111.266 | 104.000 |
| M110x4 | 4 | 6H | 105.670 | 106.270 | 107.402 | 107.737 | 110.000 | 110.912 | 106.000 |
| M110x3 | 3 | 6H | 106.752 | 107.252 | 108.051 | 108.351 | 110.000 | 110.733 | 107.000 |
| M110x2 | 2 | 6H | 107.835 | 108.210 | 108.701 | 108.951 | 110.000 | 110.539 | 108.000 |
| M110x1.5 | 1.5 | 6H | 108.376 | 108.676 | 109.026 | 109.262 | 110.000 | 110.453 | 108.500 |
| M115x6 | 6 | 6H | 108.505 | 109.305 | 111.103 | 111.503 | 115.000 | 116.266 | 109.000 |
| M115x4 | 4 | 6H | 110.670 | 111.270 | 112.402 | 112.737 | 115.000 | 115.912 | 111.000 |
| M115x3 | 3 | 6H | 111.752 | 112.252 | 113.051 | 113.351 | 115.000 | 115.733 | 112.000 |
| M115x2 | 2 | 6H | 112.835 | 113.210 | 113.701 | 113.951 | 115.000 | 115.539 | 113.000 |
| M115x1.5 | 1.5 | 6H | 113.376 | 113.676 | 114.026 | 114.262 | 115.000 | 115.453 | 113.500 |
| M120x6 | 6 | 6H | 113.505 | 114.305 | 116.103 | 116.503 | 120.000 | 121.266 | 114.000 |
| M120x4 | 4 | 6H | 115.670 | 116.270 | 117.402 | 117.737 | 120.000 | 120.912 | 116.000 |
| M120x3 | 3 | 6H | 116.752 | 117.252 | 118.051 | 118.351 | 120.000 | 120.733 | 117.000 |
| M120x2 | 2 | 6H | 117.835 | 118.210 | 118.701 | 118.951 | 120.000 | 120.539 | 118.000 |
| M120x1.5 | 1.5 | 6H | 118.376 | 118.676 | 119.026 | 119.262 | 120.000 | 120.453 | 118.500 |
| M125x8 | 8 | 6H | 116.340 | 117.340 | 119.804 | 120.254 | 125.000 | 126.605 | 117.000 |
| M125x6 | 6 | 6H | 118.505 | 119.305 | 121.103 | 121.503 | 125.000 | 126.266 | 119.000 |
| M125x4 | 4 | 6H | 120.670 | 121.270 | 122.402 | 122.737 | 125.000 | 125.912 | 121.000 |
| M125x3 | 3 | 6H | 121.752 | 122.252 | 123.051 | 123.351 | 125.000 | 125.733 | 122.000 |
| M125x2 | 2 | 6H | 122.835 | 123.210 | 123.701 | 123.951 | 125.000 | 125.539 | 123.000 |
| M125x1.5 | 1.5 | 6H | 123.376 | 123.676 | 124.026 | 124.262 | 125.000 | 125.453 | 123.500 |
| M130x8 | 8 | 6H | 121.340 | 122.340 | 124.804 | 125.254 | 130.000 | 131.605 | 122.000 |
| M130x6 | 6 | 6H | 123.505 | 124.305 | 126.103 | 126.503 | 130.000 | 131.266 | 124.000 |
| M130x4 | 4 | 6H | 125.670 | 126.270 | 127.402 | 127.737 | 130.000 | 130.912 | 126.000 |
| M130x3 | 3 | 6H | 126.752 | 127.252 | 128.051 | 128.351 | 130.000 | 130.733 | 127.000 |
| M130x2 | 2 | 6H | 127.835 | 128.210 | 128.701 | 128.951 | 130.000 | 130.539 | 128.000 |
| M130x1.5 | 1.5 | 6H | 128.376 | 128.676 | 129.026 | 129.262 | 130.000 | 130.453 | 128.500 |
| M135x6 | 6 | 6H | 128.505 | 129.305 | 131.103 | 131.503 | 135.000 | 136.266 | 129.000 |
| M135x4 | 4 | 6H | 130.670 | 131.270 | 132.402 | 132.737 | 135.000 | 135.912 | 131.000 |
| M135x3 | 3 | 6H | 131.752 | 132.252 | 133.051 | 133.351 | 135.000 | 135.733 | 132.000 |
| M135x2 | 2 | 6H | 132.835 | 133.210 | 133.701 | 133.951 | 135.000 | 135.539 | 133.000 |
| M135x1.5 | 1.5 | 6H | 133.376 | 133.676 | 134.026 | 134.262 | 135.000 | 135.453 | 133.500 |
| M140x8 | 8 | 6H | 131.340 | 132.340 | 134.804 | 135.254 | 140.000 | 141.605 | 132.000 |
| M140x6 | 6 | 6H | 133.505 | 134.305 | 136.103 | 136.503 | 140.000 | 141.266 | 134.000 |
| M140x4 | 4 | 6H | 135.670 | 136.270 | 137.402 | 137.737 | 140.000 | 140.912 | 136.000 |
| M140x3 | 3 | 6H | 136.752 | 137.252 | 138.051 | 138.351 | 140.000 | 140.733 | 137.000 |
| M140x2 | 2 | 6H | 137.835 | 138.210 | 138.701 | 138.951 | 140.000 | 140.539 | 138.000 |
| M140x1.5 | 1.5 | 6H | 138.376 | 138.676 | 139.026 | 139.262 | 140.000 | 140.453 | 138.500 |
| M145x6 | 6 | 6H | 138.505 | 139.305 | 141.103 | 141.503 | 145.000 | 146.266 | 139.000 |
| M145x4 | 4 | 6H | 140.670 | 141.270 | 142.402 | 142.737 | 145.000 | 145.912 | 141.000 |
| M145x3 | 3 | 6H | 141.752 | 142.252 | 143.051 | 143.351 | 145.000 | 145.733 | 142.000 |
| M145x2 | 2 | 6H | 142.835 | 143.210 | 143.701 | 143.951 | 145.000 | 145.539 | 143.000 |
| M145x1.5 | 1.5 | 6H | 143.376 | 143.676 | 144.026 | 144.262 | 145.000 | 145.453 | 143.500 |
| M150x8 | 8 | 6H | 141.340 | 142.340 | 144.804 | 145.254 | 150.000 | 151.605 | 142.000 |
| M150x6 | 6 | 6H | 143.505 | 144.305 | 146.103 | 146.503 | 150.000 | 151.266 | 144.000 |
| M150x4 | 4 | 6H | 145.670 | 146.270 | 147.402 | 147.737 | 150.000 | 150.912 | 146.000 |
| M150x3 | 3 | 6H | 146.752 | 147.252 | 148.051 | 148.351 | 150.000 | 150.733 | 147.000 |
| M150x2 | 2 | 6H | 147.835 | 148.210 | 148.701 | 148.951 | 150.000 | 150.539 | 148.000 |
| M150x1.5 | 1.5 | 6H | 148.376 | 148.676 | 149.026 | 149.262 | 150.000 | 150.453 | 148.500 |
References
- ISO 68:1973 ISO general purpose screw threads - Basic profile
- ISO 261:1973 ISO general purpose metric screw threads - General plan
- ISO 262:1973 ISO general purpose metric screw threads - Selected sizes for screws, bolts and nuts
- ISO 724:1993 ISO general-purpose metric screw threads - Basic dimensions
- ISO 965-1:1980 ISO general purpose metric screw threads - Tolerances - Part 1: Principles and basic data
- ISO 965-2:1980 ISO general purpose metric screw threads - Tolerances - Part 2: Limits of sizes for general purpose bolt and nut threads - Medium quality
- ISO 965-3:1980 ISO general purpose metric screw threads - Tolerances - Part 3: Deviations for constructional threads
- ISO 1502:1996 ISO general-purpose metric screw threads - Gauges and gauging
Please note - do not rely on the above information without checking the source material in case any errors have crept in.