Basic dimensions
| Diameter | Pitch | dk, max | e | s (Grade A) | s (Grade B) | m | h (Grade A) | h (Grade B) | r |
|---|---|---|---|---|---|---|---|---|---|
| M4 | 0.7 | 6.5 | 7.50-7.66 | 6.78-7 | 6.64-7 | 2.90-3.2 | 7.64-8 | 7.42-8 | 3.25 |
| M5 | 0.8 | 7.5 | 8.63-8.79 | 7.78-8 | 7.67-8 | 3.70-4.0 | 9.64-10 | 9.42-10 | 3.75 |
| M6 | 1 | 9.5 | 10.89-11.05 | 9.78-10 | 9.64-10 | 4.70-5.0 | 11.57-12 | 11.30-12 | 4.75 |
| M8 | 1.25 | 12.5 | 14.20-14.38 | 12.73-13 | 12.57-13 | 6.14-6.5 | 14.57-15 | 14.30-15 | 6.25 |
| M10 | 1.5 | 15.0 | 17.59-17.77 | 15.73-16 | 15.57-16 | 7.64-8.0 | 17.57-18 | 17.30-18 | 7.50 |
| M12 | 1.75 | 17.0 | 19.85-20.03 | 17.73-18 | 17.57-18 | 9.64-10.0 | 21.48-22 | 21.16-22 | 8.50 |
| M14 | 2 | 20.0 | 22.78-23.35 | 20.67-21 | 20.16-21 | 10.30-11.0 | 24.48-25 | 24.16-25 | 10.00 |
| M16 | 2 | 23.0 | 26.17-26.75 | 23.67-24 | 23.16-24 | 12.30-13.0 | 27.48-28 | 27.16-28 | 11.50 |
| M18 | 2.5 | 26.0 | 29.56-30.14 | 26.67-27 | 26.16-27 | 14.30-15.0 | 31.38-32 | 31.00-32 | 13.00 |
| M20 | 2.5 | 28.0 | 32.95-33.53 | 29.67-30 | 29.16-30 | 14.90-16.0 | 33.38-34 | 33.00-34 | 14.00 |
| M22 | 2.5 | 33.0 | 37.29-37.72 | 33.38-34 | 33.00-34 | 16.90-18.0 | 38.38-39 | 38.00-39 | 16.50 |
| M24 | 3 | 34.0 | 39.55-39.98 | 35.38-36 | 35.00-36 | 17.70-19.0 | 41.38-42 | 41.00-42 | 17.00 |
Dimensions in millimetres
See more in our products section for Nuts, Washers, Springs and other components
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