DIN 1587
DIN 1587 Metric Dome Nuts / Hex Cap Nuts;
The dimension of DIN 1587 Metric Dome Nuts / hex cap nut as below:
 |
| Size | s | e | d1 max. | m max. | h |
| M3 | 5.5 | 6.01 | 5.5 | 2.4 | 7 |
| M4 | 7 | 7.66 | 6.5 | 3.2 | 8 |
| M5 | 8 | 8.79 | 7.5 | 4 | 10 |
| M6 | 10 | 11.05 | 9.5 | 5 | 12 |
| M8 | 13 | 14.38 | 12.5 | 6.5 | 15 |
| M10 | 17 | 18.9 | 16 | 8 | 18 |
| M12 | 19 | 21.1 | 18 | 10 | 22 |
| M16 | 24 | 26.75 | 23 | 13 | 28 |
| M20 | 30 | 33.53 | 28 | 16 | 34 |
* All size in mm ;