Dimension of AS1252 Nuts:
The dimensions given in Table apply before hot-dip galvanizing.
| Thread Size D | M12 | M16 | M20 | (M22) | M24 | (M27) | M30 | M36 | |
| P | Thread Size | 1.75 | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
| S | max | 21 | 27 | 32 | 36 | 41 | 46 | 50 | 60 |
| min | 20.16 | 26.16 | 31 | 35 | 40 | 45 | 49 | 58.8 | |
| e | max | 24.25 | 31.2 | 36.9 | 41.6 | 47.3 | 53.1 | 57.7 | 69.3 |
| min | 22.78 | 29.56 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 66.44 | |
| m | max | 13.1 | 17.1 | 21.3 | 23.6 | 24.2 | 27.6 | 30.7 | 36.6 |
| min | 12 | 16.4 | 20 | 22.3 | 22.9 | 26.3 | 29.1 | 35 | |
| dw | min | 19.2 | 24.9 | 29.5 | 33.3 | 38 | 42.8 | 46.5 | 55.9 |
| c | max | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| min | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | |
| da | max | 13 | 17.3 | 21.6 | 23.8 | 25.9 | 29.2 | 32.4 | 38.9 |
| min | 12 | 16 | 20 | 22 | 24 | 27 | 30 | 36 |