Dimension of AS1252 Bolts:
The dimensions given in Table apply before hot-dip galvanizing.
| Bolt dia. | Pitch | Body dia. | Width AF | Width AC | Head height |
| D | P | Ds | s | e | k |
| max. | min. | max. | min. | ||
| M12 | 1.75 | 12.7 | 11.3 | 21 | 20.16 |
| M16 | 2 | 16.7 | 15.3 | 27 | 26.16 |
| M20 | 2.5 | 20.84 | 19.16 | 32 | 31 |
| M24 | 3 | 24.84 | 23.16 | 41 | 40 |
| M30 | 3.5 | 30.84 | 29.16 | 50 | 49 |
| M36 | 4 | 37 | 35 | 60 | 58.8 |