DIN 982 dimensions — Prevailing torque type hexagon nuts with non-metallic insert, high type
- Edition
- 1987-05 edition, withdrawn, replaced by ISO 7040
- Equivalent
- ISO 7040
- Differs
- from ISO 7040: wrench size at M10, M12 and M14; nut height at 9 sizes, plus small detailsFull comparison →
| Size | PThread pitch | sWidth across flats | mThread height | eWidth across corners | dwBearing diameter | hOverall height | m'Wrenching height | daUnderhead diameter | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | min | min | min | min | max | min | min | max | ||
| M5 | 0.8 | 7.78 | 8 | 4.4 | 8.79 | 6.9 | 6 | 6.3 | 3.52 | 5 | 5.75 |
| M6 | 1 | 9.78 | 10 | 4.9 | 11.05 | 8.9 | 7.7 | 8 | 3.92 | 6 | 6.75 |
| M7 | 1 | 10.73 | 11 | 6.14 | 12.12 | 9.6 | 8.2 | 8.5 | 4.91 | 7 | 7.75 |
| M8 | 1.25 | 12.73 | 13 | 6.44 | 14.38 | 11.6 | 9.14 | 9.5 | 5.15 | 8 | 8.75 |
| M10 | 1.5 | 16.73 | 17 | 8.04 | 18.9 | 15.6 | 11.14 | 11.5 | 6.43 | 10 | 10.8 |
| M12 | 1.75 | 18.67 | 19 | 10.37 | 21.1 | 17.4 | 13.64 | 14 | 8.3 | 12 | 13 |
| M14 | 2 | 21.67 | 22 | 12.1 | 24.49 | 20.5 | 15.3 | 16 | 9.68 | 14 | 15.1 |
| M16 | 2 | 23.67 | 24 | 14.1 | 26.75 | 22.5 | 17.3 | 18 | 11.28 | 16 | 17.3 |
| M18 | 2.5 | 26.16 | 27 | 15.1 | 29.56 | 24.9 | 19.16 | 20 | 12.08 | 18 | 19.5 |
| M20 | 2.5 | 29.16 | 30 | 16.9 | 32.95 | 27.7 | 20.7 | 22 | 13.52 | 20 | 21.6 |
| M22 | 2.5 | 31 | 32 | 18.1 | 35.03 | 29.5 | 23.7 | 25 | 14.48 | 22 | 23.7 |
| M24 | 3 | 35 | 36 | 20.2 | 39.55 | 33.2 | 26.7 | 28 | 16.16 | 24 | 25.9 |
Dimensions from DIN 982:1987-05. The standard is withdrawn; we still make parts to it.