ISO 4162 – 1990 – Bu lông liền long đen
| Screw Thread | M5 | M6 | M8 | M10 | M12 | (M14) | M16 | |
| P | Pitch | 0.8 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 |
| b | L≤125 | 16 | 18 | 22 | 26 | 30 | 34 | 38 |
| 125＜L≤200 | / | / | 28 | 32 | 36 | 40 | 44 | |
| L＞200 | / | / | / | / | / | / | 57 | |
| dc | max | 11.4 | 13.6 | 17 | 20.8 | 24.7 | 28.6 | 32.8 |
| k | max | 5.6 | 6.8 | 8.5 | 9.7 | 11.9 | 12.9 | 15.1 |
| s | max | 7 | 8 | 10 | 13 | 15 | 18 | 21 |
| min | 6.64 | 7.64 | 9.64 | 12.57 | 14.57 | 17.57 | 20.16 | |
| ds | max | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| min | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | |
| c | min | 1 | 1.1 | 1.2 | 1.5 | 1.8 | 2.1 | 2.4 |
| Length of Thread b | – | – | – | – | – | – | – | |
