DIN 6921 dimensions — Hexagon Flange Bolt
- Edition
- 1983-06 edition, withdrawn
- Equivalent
- ISO 4162
- Differs
- from ISO 4162: wrench size at 5 sizes; head height at 7 sizes, plus small detailsFull comparison →
| Size | PThread pitch | sWidth across flats | kHead height | eWidth across corners | dcFlange diameter | bThread length | ||
|---|---|---|---|---|---|---|---|---|
| max | nom. | min | l ≤ 125 | 125 < l ≤ 200 | l > 200 | |||
| M5 | 0.8 | 8 | 5.4 | 8.71 | 11.8 | 16 | – | – |
| M6 | 1 | 10 | 6.6 | 10.95 | 14.2 | 18 | – | – |
| M8 | 1.25 | 13 | 8.1 | 14.26 | 18 | 22 | 28 | – |
| M10 | 1.5 | 15 | 9.2 | 16.5 | 22.3 | 26 | 32 | – |
| M12 | 1.75 | 16 | 11.5 | 17.62 | 26.6 | 30 | 36 | – |
| M14 | 2 | 18 | 12.8 | 19.86 | 30.5 | 34 | 40 | – |
| M16 | 2 | 21 | 14.4 | 23.15 | 35 | 38 | 44 | 57 |
| M20 | 2.5 | 27 | 17.1 | 29.87 | 43 | 46 | 52 | 65 |
Dimensions from DIN 6921:1983-06. The standard is withdrawn; we still make parts to it.