DIN 558 Fully Threaded Hexagonal Machine Screws-Bolts Standard Dimensions, Technical Data and Size Chart Data Table
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- Steel: 4.8, 5.6, 8.8, 10.9
- Stainless: –
Equivalent Standards:
- ISO 4018
- CSN 021303
- PN 82105
- EU 24018
Terminology and Measurements
- 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
| D | p | k | c max. | r | a max. | e | s | L | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread | DIN 558 | ISO 4018 | DIN 558 | ISO 4018 | min. | max. | |||||
| M5 | 0.8 | 3.5 | 0.5 | 0.2 | 2.4 | 8.63 | 8.63 | 8 | 8 | 10 | 60 |
| M6 | 1 | 4 | 0.5 | 0.25 | 3 | 10.89 | 10.89 | 10 | 10 | 12 | 80 |
| M8 | 1.25 | 5.3 | 0.6 | 0.4 | 4 | 14.2 | 14.2 | 13 | 13 | 10 | 100 |
| M10 | 1.5 | 6.4 | 0.6 | 0.4 | 4.5 | 18.72 | 17.59 | 17 | 16 | 16 | 100 |
| M12 | 1.75 | 7.5 | 0.6 | 0.6 | 5.3 | 20.88 | 19.85 | 19 | 18 | 16 | 120 |
| M14 | 2 | 8.8 | 0.6 | 0.6 | 6 | 23.91 | 22.78 | 22 | 21 | 20 | 100 |
| M16 | 2 | 10 | 0.8 | 0.6 | 6 | 26.17 | 26.17 | 24 | 24 | 25 | 160 |
| M18 | 2.5 | 11.5 | 0.8 | 0.6 | 7.5 | 29.56 | 29.56 | 27 | 27 | 35 | 180 |
| M20 | 2.5 | 12.5 | 0.8 | 0.8 | 7.5 | 32.95 | 32.95 | 30 | 30 | 30 | 200 |
| M22 | 2.5 | 14 | 0.8 | 0.8 | 7.5 | 38.42 | 37.29 | 32 | 34 | 45 | 220 |
| M24 | 3 | 15 | 0.8 | 0.8 | 9 | 39.55 | 39.55 | 36 | 36 | 50 | 240 |
| M27 | 3 | 17 | 0.8 | 1 | 9 | 45.2 | 45.2 | 41 | 41 | 55 | 280 |
| M30 | 3.5 | 18.7 | 0.8 | 1 | 10.5 | 50.85 | 50.85 | 46 | 46 | 60 | 300 |
| M36 | 4 | 22.5 | 0.8 | 1 | 12 | 60.79 | 60.79 | 55 | 55 | 70 | 360 |
| M42 | 4.5 | 26 | 1 | 1.2 | 13.5 | 71.3 | 71.3 | 65 | 65 | 80 | 420 |
| M48 | 5 | 30 | 1 | 1.6 | 15 | 82.6 | 82.6 | 75 | 75 | 100 | 480 |
| M56 | 5.5 | 35 | 1 | 2 | 16.5 | 93.56 | 93.56 | 85 | 85 | 110 | 500 |
| M64 | 6 | 40 | 1 | 2 | 28 | 104.86 | 104.86 | 95 | 95 | 120 | 500 |