DIN 7999 High strength hex. fit bolts with large width across flats for stuctural steel bolting - nuts and washers Dimensions
| d | k | ds | b | s |
|---|---|---|---|---|
| M12 | 8 | 13 | 23 | 22 |
| M16 | 10 | 17 | 28 | 27 |
| M20 | 13 | 21 | 33 | 32 |
| M22 | 14 | 23 | 34 | 36 |
| M24 | 15 | 25 | 39 | 41 |
| M27 | 17 | 28 | 41 | 46 |
| M30 | 19 | 31 | 44 | 50 |
| M36 | 23 | 37 | 52 | 60 |