DINReplaced → ISO 7040Draft · single source
DIN 982
Prevailing torque hexagon nuts with non-metallic (nylon) insert, high type
- Head · drive
- External hexagon (spanner)
- Thread
- Metric ISO coarse thread
- Tolerance
- 6H
- Property classes
- 56810A2A4
- Materials
- SteelStainless
Replaced by
ISO 7040Current · Draft
Not identical: the width across flats differs for M10 (DIN 17 → ISO 16 mm), M12 (19 → 18 mm), M14 (22 → 21 mm) and M22 (32 → 34 mm); other sizes are unchanged. Other dimensions (e.g. head or nut height) can also differ.
What changed · s
| Size | DIN 982 | ISO 7040 | Δ |
|---|---|---|---|
| M10 | 17 | 16 | −1 |
| M12 | 19 | 18 | −1 |
| M14 | 22 | 21 | −1 |
| M22 | 32 | 34 | +2 |
Source: Würth DIN→ISO changeover list · mm
Dimensions
mm · values as the standard states them| Size | P | s | e | m | h | dw | da | mass | m´ | thread_alt |
|---|---|---|---|---|---|---|---|---|---|---|
| M5 | 0.8 | 8 7.78 – 8 | ≥ 8.79 | ≥ 4.4 | 6.3 6 – 6.3 | ≥ 6.9 | 5 – 5.75 | 1.4 | ≥ 3.52 | — |
| M6 | 1 | 10 9.78 – 10 | ≥ 11.05 | ≥ 4.9 | 8 7.7 – 8 | ≥ 8.9 | 6 – 6.75 | 3.1 | ≥ 3.92 | — |
| M7 | 1 | 11 10.73 – 11 | ≥ 12.12 | ≥ 6.14 | 8.5 8.2 – 8.5 | ≥ 9.6 | 7 – 7.75 | 3.2 | ≥ 4.91 | — |
| M8 | 1.25 | 13 12.73 – 13 | ≥ 14.38 | ≥ 6.44 | 9.5 9.14 – 9.5 | ≥ 11.6 | 8 – 8.75 | 6 | ≥ 5.15 | M8x1 |
| M10 | 1.5 | 17 16.73 – 17 | ≥ 18.9 | ≥ 8.04 | 11.5 11.14 – 11.5 | ≥ 15.6 | 10 – 10.8 | 11.7 | ≥ 6.43 | M10x1,25 |
| M12 | 1.75 | 19 | ≥ 21.1 | ≥ 10.37 | 14 13.64 – 14 | ≥ 17.4 | 12 – 13 | 16.6 | ≥ 8.3 | M12x1,25 |
| M14 | 2 | 22 21.67 – 22 | ≥ 24.49 | ≥ 12.1 | 16 15.3 – 16 | ≥ 20.5 | 14 – 15.1 | 21 | ≥ 9.68 | M14x1,5 |
| M16 | 2 | 24 23.67 – 24 | ≥ 26.75 | ≥ 14.1 | 18 17.3 – 18 | ≥ 22.5 | 16 – 17.3 | 37.8 | ≥ 11.28 | M16x1,5 |
| M18 | 2.5 | 27 26.16 – 27 | ≥ 29.56 | ≥ 15.1 | 20 19.16 – 20 | ≥ 24.9 | 18 – 19.5 | 51.6 | ≥ 12.08 | M18x1,5 |
| M20 | 2.5 | 30 29.16 – 30 | ≥ 32.95 | ≥ 16.9 | 22 20.7 – 22 | ≥ 27.7 | 20 – 21.6 | 68 | ≥ 13.52 | M20x2 |
| M22 | 2.5 | 32 31 – 32 | ≥ 35.03 | ≥ 18.1 | 25 23.7 – 25 | ≥ 29.5 | 22 – 23.7 | 86 | ≥ 14.48 | M22x2 |
| M24 | 3 | 36 35 – 36 | — | ≥ 20.2 | 28 26.7 – 28 | ≥ 33.2 | 24 – 25.9 | 127 | ≥ 16.16 | M24x2 |
Ranges read min – max; ≤ / ≥ where the standard gives one limit, ≈ for approximate values. Sizes in (brackets) are non-preferred. Select a row for its size sheet.