Gwint metryczny M (zwykły skok)
Gwinty są określone według normy ISO DIN-13. Gwint jest szeroko stosowany praktycznie w każdej branży. Zarys gwintu metrycznego jest trójkątny o kącie wierzchołka 60°.
| Oznaczenie gwintu | Średnica zewnętrzna [mm] | Średnica zewnętrzna [cale] | Średnica podziałowa [mm] |
Średnica wiertła [mm] |
TPI [zwoje/cal] |
Podziałka [mm] |
| M1 | 1.00 | 0.039 | 0.838 | 0.75 | 101.60 | 0.25 |
| M1.1 | 1.10 | 0.043 | 0.938 | 0.85 | 101.60 | 0.25 |
| M1.2 | 1.20 | 0.047 | 1.038 | 0.95 | 101.60 | 0.25 |
| M1.4 | 1.40 | 0.055 | 1.205 | 1.10 | 84.67 | 0.30 |
| M1.6 | 1.60 | 0.063 | 1.373 | 1.25 | 72.57 | 0.35 |
| M1.8 | 1.80 | 0.071 | 1.573 | 1.45 | 72.57 | 0.35 |
| M2 | 2.00 | 0.079 | 1.740 | 1.60 | 63.50 | 0.40 |
| M2.2 | 2.20 | 0.087 | 1.908 | 1.75 | 56.44 | 0.45 |
| M2.5 | 2.50 | 0.098 | 2.208 | 2.05 | 56.44 | 0.45 |
| M3 | 3.00 | 0.118 | 2.675 | 2.50 | 50.80 | 0.50 |
| M3.5 | 3.50 | 0.138 | 3.110 | 2.90 | 42.33 | 0.60 |
| M4 | 4.00 | 0.157 | 3.545 | 3.30 | 36.29 | 0.70 |
| M4.5 | 4.50 | 0.177 | 4.013 | 3.80 | 33.87 | 0.75 |
| M5 | 5.00 | 0.197 | 4.480 | 4.20 | 31.75 | 0.80 |
| M6 | 6.00 | 0.236 | 5.350 | 5.00 | 25.40 | 1.00 |
| M7 | 7.00 | 0.276 | 6.350 | 6.00 | 25.40 | 1.00 |
| M8 | 8.00 | 0.315 | 7.188 | 6.80 | 20.32 | 1.25 |
| M9 | 9.00 | 0.354 | 8.188 | 7.80 | 20.32 | 1.25 |
| M10 | 10.00 | 0.394 | 9.026 | 8.50 | 16.93 | 1.50 |
| M11 | 11.00 | 0.433 | 10.026 | 9.50 | 16.93 | 1.50 |
| M12 | 12.00 | 0.472 | 10.863 | 10.20 | 14.51 | 1.75 |
| M14 | 14.00 | 0.551 | 12.701 | 12.00 | 12.70 | 2.00 |
| M16 | 16.00 | 0.630 | 14.701 | 14.00 | 12.70 | 2.00 |
| M18 | 18.00 | 0.709 | 16.376 | 15.50 | 10.16 | 2.50 |
| M20 | 20.00 | 0.787 | 18.376 | 17.50 | 10.16 | 2.50 |
| M22 | 22.00 | 0.866 | 20.376 | 19.50 | 10.16 | 2.50 |
| M24 | 24.00 | 0.945 | 22.051 | 21.00 | 8.47 | 3.00 |
| M27 | 27.00 | 1.063 | 25.051 | 24.00 | 8.47 | 3.00 |
| M30 | 30.00 | 1.181 | 27.727 | 26.50 | 7.26 | 3.50 |
| M33 | 33.00 | 1.299 | 30.727 | 29.50 | 7.26 | 3.50 |
| M36 | 36.00 | 1.417 | 33.402 | 32.00 | 6.35 | 4.00 |
| M39 | 39.00 | 1.535 | 36.402 | 35.00 | 6.35 | 4.00 |
| M42 | 42.00 | 1.654 | 39.077 | 37.50 | 5.64 | 4.50 |
| M45 | 45.00 | 1.772 | 42.077 | 40.50 | 5.64 | 4.50 |
| M48 | 48.00 | 1.890 | 44.752 | 43.00 | 5.08 | 5.00 |
| M52 | 52.00 | 2.047 | 48.752 | 47.00 | 5.08 | 5.00 |
| M56 | 56.00 | 2.205 | 52.428 | 50.50 | 4.62 | 5.50 |
| M60 | 60.00 | 2.362 | 56.428 | 54.50 | 4.62 | 5.50 |
| M64 | 64.00 | 2.520 | 60.103 | 58.00 | 4.23 | 6.00 |
| M68 | 68.00 | 2.677 | 64.103 | 62.00 | 4.23 | 6.00 |