| Per screws | Inner diameter (d) [mm] | Outer diameter (D) [mm] | Thickness (s) [mm] | Weight 1000 pz [kg] | |
| UNI 5714 – DIN 6916 | M 12 | 13 | 24 | 3 | 7,00 |
| M 14 | 15 | 28 | 4 | 11,50 | |
| M 16 | 17 | 30 | 4 | 14,60 | |
| M 18 | 19 | 34 | 4 | 18,90 | |
| M 20 | 21 | 37 | 4 | 19,60 | |
| M 22 | 23 | 39 | 4 | 24,30 | |
| M 24 | 25 | 44 | 4 | 30,60 | |
| M 27 | 28 | 50 | 5 | 50,20 | |
| M 30 | 31 | 56 | 5 | 63,00 |
Washers for high strength bolts UNI 5714 / DIN 6916
Material: Carbon steel
Hardness: HRC 32 – 40
Surface treatment: Lightly oil