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WatchGuy CNC Stuff
Screw Threads
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Pick the "Screws" item from the menu above to get the GCode to make screws on your mill
Designation | Size | Pitch | Ext. Class | Ext. Max Major | Ext Min Major | Ext. Max Pitch | Ext. Min Pitch | Ext Max Minor | Ext. Min Minor | Internal Class | Int. Min Minor | Int. Max Minor | Int. Min Pitch | Int. Max Pitch | Int. Min Major | Int. Max Major | Tap Drill |
M0.25x0.075 |
0.25 |
0.075 |
6g |
0.25 |
0.235 |
0.201 |
0.187 |
0.16 |
0.14 |
6H |
0.172 |
0.208 |
0.201 |
0.215 |
0.255 |
0.276 |
0.175 |
M0.3x0.08 |
0.3 |
0.08 |
6g |
0.3 |
0.284 |
0.248 |
0.234 |
0.204 |
0.183 |
6H |
0.217 |
0.254 |
0.248 |
0.262 |
0.306 |
0.327 |
0.22 |
M0.35x0.09 |
0.35 |
0.09 |
6g |
0.35 |
0.333 |
0.292 |
0.277 |
0.242 |
0.22 |
6H |
0.256 |
0.297 |
0.292 |
0.307 |
0.356 |
0.38 |
0.26 |
M0.4x0.1 |
0.4 |
0.1 |
6g |
0.4 |
0.382 |
0.335 |
0.319 |
0.28 |
0.256 |
6H |
0.296 |
0.34 |
0.335 |
0.351 |
0.407 |
0.432 |
0.3 |
M0.45x0.1 |
0.45 |
0.1 |
6g |
0.45 |
0.432 |
0.385 |
0.369 |
0.33 |
0.306 |
6H |
0.346 |
0.39 |
0.385 |
0.401 |
0.457 |
0.482 |
0.35 |
M0.5x0.125 |
0.5 |
0.125 |
6g |
0.5 |
0.479 |
0.419 |
0.401 |
0.35 |
0.322 |
6H |
0.37 |
0.422 |
0.419 |
0.437 |
0.509 |
0.538 |
0.375 |
M0.55x0.125 |
0.55 |
0.125 |
6g |
0.55 |
0.529 |
0.469 |
0.451 |
0.4 |
0.372 |
6H |
0.42 |
0.472 |
0.469 |
0.487 |
0.559 |
0.588 |
0.425 |
M0.6x0.15 |
0.6 |
0.15 |
6g |
0.6 |
0.576 |
0.503 |
0.483 |
0.42 |
0.388 |
6H |
0.444 |
0.504 |
0.503 |
0.523 |
0.611 |
0.644 |
0.45 |
M0.7x0.175 |
0.7 |
0.175 |
6g |
0.7 |
0.673 |
0.586 |
0.564 |
0.49 |
0.454 |
6H |
0.518 |
0.586 |
0.586 |
0.608 |
0.713 |
0.75 |
0.525 |
M0.8x0.2 |
0.8 |
0.2 |
6g |
0.8 |
0.77 |
0.67 |
0.646 |
0.56 |
0.52 |
6H |
0.592 |
0.668 |
0.67 |
0.694 |
0.814 |
0.856 |
0.6 |
M0.85x0.2 |
0.85 |
0.2 |
6g |
0.85 |
0.82 |
|
|
0.61 |
0.57 |
|
|
|
|
|
|
|
0.65 |
M0.9x0.225 |
0.9 |
0.225 |
6g |
0.9 |
0.867 |
0.754 |
0.728 |
0.63 |
0.586 |
6H |
0.666 |
0.75 |
0.754 |
0.78 |
0.916 |
0.962 |
0.675 |
M1x0.25 |
1 |
0.25 |
6g |
0.982 |
0.915 |
0.82 |
0.767 |
0.711 |
0.613 |
6H |
0.729 |
0.809 |
0.838 |
0.909 |
1 |
1.107 |
0.75 |
M1.1x0.25 |
1.1 |
0.25 |
6g |
1.082 |
1.015 |
0.92 |
0.867 |
0.811 |
0.713 |
6H |
0.829 |
0.909 |
0.938 |
1.009 |
1.1 |
1.207 |
0.85 |
M1.2x0.25 |
1.2 |
0.25 |
6g |
1.182 |
1.115 |
1.02 |
0.967 |
0.911 |
0.813 |
6H |
0.929 |
1.009 |
1.038 |
1.109 |
1.2 |
1.307 |
0.95 |
M1.4x0.3 |
1.4 |
0.3 |
6g |
1.383 |
1.308 |
1.253 |
1.193 |
1.166 |
1.07 |
6H |
1.183 |
1.258 |
1.27 |
1.35 |
1.4 |
1.509 |
1.1 |
M1.6x0.3 |
1.6 |
0.3 |
6g |
1.582 |
1.507 |
1.387 |
1.342 |
1.257 |
1.157 |
6H |
1.275 |
1.36 |
1.405 |
1.465 |
1.6 |
1.703 |
1.3 |
M1.7x0.35 |
1.7 |
0.35 |
6g |
1.681 |
1.596 |
1.454 |
1.391 |
1.302 |
1.175 |
6H |
1.321 |
1.421 |
1.473 |
1.558 |
1.7 |
1.836 |
1.35 |
M1.8x0.35 |
1.8 |
0.35 |
6g |
1.781 |
1.696 |
1.554 |
1.491 |
1.402 |
1.275 |
6H |
1.421 |
1.521 |
1.573 |
1.658 |
1.8 |
1.936 |
1.45 |
M2x0.4 |
2 |
0.4 |
6g |
1.981 |
1.886 |
1.721 |
1.654 |
1.548 |
1.408 |
6H |
1.567 |
1.679 |
1.74 |
1.83 |
2 |
2.148 |
1.6 |
M2.2x0.45 |
2.2 |
0.45 |
6g |
2.18 |
2.08 |
1.888 |
1.817 |
1.693 |
1.54 |
6H |
1.713 |
1.838 |
1.908 |
2.003 |
2.2 |
2.36 |
1.75 |
M2.3x0.45 |
2.3 |
0.45 |
6g |
2.28 |
2.18 |
1.988 |
1.917 |
1.793 |
1.64 |
6H |
1.813 |
1.938 |
2.008 |
2.103 |
2.3 |
2.46 |
1.85 |
M2.5x0.45 |
2.5 |
0.45 |
6g |
2.48 |
2.38 |
2.188 |
2.117 |
1.993 |
1.84 |
6H |
2.013 |
2.138 |
2.208 |
2.303 |
2.5 |
2.66 |
2.05 |
M2.6x0.45 |
2.6 |
0.45 |
6g |
2.58 |
2.48 |
2.288 |
2.217 |
2.093 |
1.94 |
6H |
2.113 |
2.238 |
2.308 |
2.393 |
2.6 |
2.75 |
2.15 |
M3x0.5 |
3 |
0.5 |
6g |
2.98 |
2.874 |
2.655 |
2.58 |
2.439 |
2.272 |
6H |
2.459 |
2.599 |
2.675 |
2.775 |
3 |
3.172 |
2.5 |
M33x0.5 |
33 |
0.5 |
6g |
32.98 |
32.84 |
32.49 |
32.38 |
32.166 |
31.917 |
6H |
32.188 |
32.378 |
32.513 |
32.663 |
33 |
33.258 |
32.25 |