| Size | Nominalstress area (mm^2) | Class 8.8 [N] | Class 10.9 [N] |
|---|---|---|---|
| M12 | 84.3 | 70000 | 87700 |
| (M14) | 115 | 95500 | 120000 |
| M16 | 157 | 130000 | 163000 |
| (M18) | 192 | 159000 | 200000 |
| M20 | 245 | 203000 | 255000 |
| M22 | 303 | 252000 | 315000 |
| M24 | 353 | 293000 | 367000 |
| M27 | 459 | 381000 | 477000 |
| M30 | 561 | 466000 | 583000 |
| M33 | 694 | 576000 | 722000 |
| M36 | 817 | 678000 | 850000 |
Suitability test requirements for BS EN 15048 Non-preloaded structural bolting assemblies (CE & UKCA Marked)
Property Classes 8.8 and 10.9 - Bolt/Nut Assemblies.
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