| Thread d | p | df | dt | n | t | ||||
|---|---|---|---|---|---|---|---|---|---|
| approx. | min. | max. | nominal | min. | max. | nominal =min. | max. | ||
| M1 | 0.25 | Minor thread diameter | – | 0.1 | 0.2 | 0.26 | 0.4 | 0.4 | 0.52 |
| M1.2 | 0.25 | – | 0.12 | 0.2 | 0.26 | 0.4 | 0.4 | 0.52 | |
| M1.4 | 0.3 | – | 0.14 | 0.2 | 0.26 | 0.4 | 0.48 | 0.63 | |
| M1.6 | 0.35 | – | 0.16 | 0.25 | 0.31 | 0.45 | 0.56 | 0.74 | |
| M2 | 0.4 | – | 0.2 | 0.25 | 0.31 | 0.45 | 0.64 | 0.84 | |
| M2.5 | 0.45 | – | 0.25 | 0.4 | 0.46 | 0.6 | 0.8 | 0.95 | |
| M3 | 0.5 | – | 0.3 | 0.4 | 0.46 | 0.6 | 0.8 | 1.05 | |
| (M3,5) | 0.6 | – | 0.35 | 0.5 | 0.56 | 0.7 | 0.7 | 1.21 | |
| M4 | 0.7 | – | 0.4 | 0.6 | 0.66 | 0.8 | 1.12 | 1.42 | |
| M5 | 0.8 | – | 0.5 | 0.8 | 0.86 | 1 | 1.25 | 1.63 | |
| M6 | 1 | – | 1.5 | 1 | 1.06 | 1.2 | 1.6 | 2 | |
| M8 | 1.25 | – | 2 | 1.2 | 1.26 | 1.51 | 2 | 2.5 | |
| M10 | 1.5 | – | 2.5 | 1.6 | 1.66 | 1.91 | 2.4 | 3 | |
| M12 | 1.75 | – | 3 | 2 | 2.06 | 2.31 | 2.8 | 3.6 | |