DIN 6914
DIN 6914 – High Tensile Structral Hex Head Bolts
Dimension of DIN 6914 as below:
 |
| Size | M16 | M20 | M22 | M24 | M27 | M30 | M36 |
| P | 2 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 |
| b | 26 | 31 | 32 | 34 | 37 | 40 | 48 |
| b | 28 | 33 | 34 | 37 | 39 | 42 | 50 |
| c min | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| cmax | 0.6 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 |
| da Max. | 19.2 | 24 | 26 | 28 | 32 | 35 | 41 |
| ds Min. | 15.3 | 19.16 | 21.16 | 23.16 | 26.16 | 29.16 | 35 |
| ds Max. | 16.7 | 20.84 | 22.84 | 24.84 | 27.84 | 30.84 | 37 |
| dw Min. | 25 | 30 | 34 | 39 | 43.5 | 47.5 | 57 |
| e Min. | 29.56 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 66.44 |
| k | 10 | 13 | 14 | 15 | 17 | 19 | 23 |
| k Min. | 9.25 | 12.1 | 13.1 | 14.1 | 16.1 | 17.95 | 21.95 |
| k Max. | 10.75 | 13.9 | 14.9 | 15.9 | 17.9 | 20.05 | 24.05 |
| r Min. | 1.2 | 1.5 | 1.5 | 1.5 | 2 | 2 | 2 |
| s max. | 27 | 32 | 36 | 41 | 46 | 50 | 60 |
| s min. | 26.16 | 31 | 35 | 40 | 45 | 49 | 58.8 |