Din 6914 High-Strength Hexagon Head Structural Bolts Standard Dimensions, Technical Data and Size Chart Data Table
Click the Button to Download DIN 6914 High-Strength Hexagon Head Structural Bolts Standard Dimensions, Technical Data and Size Chart Data Table in PDF Format
- Steel: 10.9,12.9
- Stainless:
Equivalent norms:
- ISO 7411
- UNI 5712
- PN 82343
- EU 781
Terminology and Measurements
- b – length of the thread (at least)
- l – length of bolt
- d – the nominal diameter of the thread
- k – head height
- r – radius
- e – the diameter of the circumscribed circle (not less than)
- s – size hex head turnkey
- c – thickness of the mounting collar
- ds – diameter of the screw shank
- u – thread run
- lg – length of the shank to thread
- ls – length of the shank to the start of the thread
- da – the maximum diameter of the stem at the head of the screw
- dw – minimum diameter of the seat
- k´ – minimum size of the head on the key
| Thread d | P | b | c | da | ds | dw | e | k | k´ | r | s | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| above tde continuous steped line | under tde continuous steped line | Min. | Max. | Max. | Nomial size | Min. | Max. | Min. | Min. | Nomial size | Min. | Max. | Min. | Min. | Nomial size = max. | Min. | ||
| M12 | 1.75 | 21 | 23 | 0.4 | 0.6 | 15.2 | 12 | 11.3 | 12.7 | 20 | 23.91 | 8 | 7.55 | 8.45 | 5.28 | 1.2 | 22 | 21.16 |
| M16 | 2 | 26 | 28 | 0.4 | 0.6 | 19.2 | 16 | 15.3 | 16.7 | 25 | 29.56 | 10 | 9.25 | 10.75 | 6.47 | 1.2 | 27 | 26.16 |
| M20 | 2.5 | 31 | 33 | 0.4 | 0.8 | 24 | 20 | 19.16 | 20.84 | 30 | 35.03 | 13 | 12.1 | 13.9 | 8.47 | 1.5 | 32 | 31 |
| M22 | 2.5 | 32 | 34 | 0.4 | 0.8 | 26 | 22 | 21.16 | 22.84 | 34 | 39.55 | 14 | 13.1 | 14.9 | 9.17 | 1.5 | 36 | 35 |
| M24 | 3 | 34 | 37 | 0.4 | 0.8 | 28 | 24 | 23.16 | 24.84 | 39 | 45.2 | 15 | 14.1 | 15.9 | 9.87 | 1.5 | 41 | 40 |
| M27 | 3 | 37 | 39 | 0.4 | 0.8 | 32 | 27 | 26.16 | 27.84 | 43.5 | 50.85 | 17 | 16.1 | 17.9 | 11.27 | 2 | 46 | 45 |
| M30 | 3.5 | 40 | 42 | 0.4 | 0.8 | 35 | 30 | 29.16 | 30.84 | 47.5 | 55.37 | 19 | 17.95 | 20.05 | 12.56 | 2 | 50 | 49 |
| M36 | 4 | 48 | 50 | 0.4 | 0.8 | 41 | 36 | 35 | 37 | 57 | 66.44 | 23 | 21.95 | 24.05 | 15.36 | 2 | 60 | 58.8 |