| Dimensions in mm – source DIN 6916 | ||||||
| Publication date: 10/1989 – Supersedes March 1979 edition | ||||||
| Thread size | d1 nom=min | d2 nom=max | h nom | c min=nom | e ≈ | ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) |
| M 12 | 13 | 24 | 3 | 1.6 | 0.5 | 7.03 |
| M 16 | 17 | 30 | 4 | 1.6 | 1 | 14.6 |
| M 20 | 21 | 37 | 4 | 2 | 1 | 19.6 |
| M 22 | 23 | 39 | 4 | 2 | 1 | 24.3 |
| M 24 | 25 | 44 | 4 | 2 | 1 | 30.6 |
| M 27 | 28 | 50 | 5 | 2.5 | 1 | 50.2 |
| M 30 | 31 | 56 | 5 | 2.5 | 1 | 63.2 |
| M 36 | 37 | 66 | 6 | 3 | 1.5 | 115 |
| Dimensions in mm – source UNI 5714 | |||||
| Publication date : 1975 | |||||
| Thread size | d1 nom | d2 nom | h nom | c nom | e ≈ |
| M 12 uni 5714 | 13 | 24 | 3 | 1.6 | 0.5 |
| M 14 uni 5714 | 15 | 28 | 4 | 1.6 | 1 |
| M 16 uni 5714 | 17 | 30 | 4 | 1.6 | 1 |
| M 18 uni 5714 | 19 | 34 | 4 | 1.6 | 1 |
| M 20 uni 5714 | 21 | 37 | 4 | 2 | 1 |
| M 22 uni 5714 | 23 | 39 | 4 | 2 | 1 |
| M 24 uni 5714 | 25 | 44 | 4 | 2 | 1 |
| M 27 uni 5714 | 28 | 50 | 5 | 2.5 | 1 |
