ISO 4034 dimensions — Hexagon regular nuts, Product grade C
- Edition
- 2012 edition, current
- Equivalent
- ISO 4032
- Differs
- from ISO 4032: nut height at 13 sizes; across corners at 6 sizesFull comparison →
| Size | PThread pitch | sWidth across flats | mNut height | eWidth across corners | ||
|---|---|---|---|---|---|---|
| min | max | min | min | |||
| M5 | 0.8 | 7.64 | 8 | 5.6 | 4.4 | 8.63 |
| M6 | 1 | 9.64 | 10 | 6.4 | 4.9 | 10.89 |
| M8 | 1.25 | 12.57 | 13 | 7.9 | 6.4 | 14.2 |
| M10 | 1.5 | 15.57 | 16 | 9.5 | 8 | 17.59 |
| M12 | 1.75 | 17.57 | 18 | 12.2 | 10.4 | 19.85 |
| M16 | 2 | 23.16 | 24 | 15.9 | 14.1 | 26.17 |
| M20 | 2.5 | 29.16 | 30 | 19 | 16.9 | 32.95 |
| M22 | 2.5 | 33 | 34 | 20.2 | 18.1 | 37.29 |
| M24 | 3 | 35 | 36 | 22.3 | 20.2 | 39.55 |
| M27 | 3 | 40 | 41 | 24.7 | 22.6 | 45.2 |
| M30 | 3.5 | 45 | 46 | 26.4 | 24.3 | 50.85 |
| M33 | 3.5 | 49 | 50 | 29.5 | 27.4 | 55.37 |
| M36 | 4 | 53.8 | 55 | 31.9 | 29.4 | 60.79 |
Dimensions from ISO 4034:2012, the current edition.