| squared head | art.code | w (mm) | H (mm) | size (mm) | weight gr/each |
| 72.70 | 8 | 70 | 17 | 28 |
| 72.74 | 8 | 74 | 20 | 32 |
| 72.80 | 8 | 80 | 20 | 39 |
| rectangular head | art.code | w (mm) | H (mm) | size (mm) | weight gr/each |
| 71.72 | 8 | 72 | 26 | 39 |
| 71.78 | 8 | 78 | 26 | 46 |
| Oval head | art.code | w (mm) | H (mm) | size (mm) | weight gr/each |
| 73.73 | 8 | 73 | 13 | 28 |
| 73.78 | 8 | 78 | 16 | 30 |
| 73.88 | 8 | 88 | 20 | 39 |
| 73.93 | 8 | 93 | 25 | 49 |
