Dimensions, mass and dimensional tolerances of hot rolled round steel bars for precision applications, for example for screws and rivets
| Diameters $ d $ , in $ \mathrm{mm} $ | Limit deviation normal, in $ \mathrm{mm} $ | Mass per unit length $ M $ , in $ \mathrm{kg/m} $ | Cross-sectional area $ A $ , in $ \mathrm{cm^2} $ |
|---|---|---|---|
| 9.75 | ±0.15 | 0.586 | 0.75 |
| 11.75 | ±0.15 | 0.851 | 1.08 |
| 13.75 | ±0.20 | 1.17 | 1.48 |
| 15.70 | ±0.20 | 1.52 | 1.94 |
| 17.70 | ±0.20 | 1.93 | 2.46 |
| 19.70 | ±0.20 | 2.39 | 3.05 |
| 21.70 | ±0.20 | 2.90 | 3.70 |
| 23.65 | ±0.25 | 3.45 | 4.39 |
| 26.65 | ±0.25 | 4.38 | 5.58 |
| 29.60 | ±0.25 | 5.40 | 6.88 |
| 32.55 | ±0.30 | 6.53 | 8.32 |
| 35.55 | ±0.30 | 7.79 | 9.93 |
| 38.55 | ±0.30 | 9.16 | 11.67 |
| 41.50 | ±0.40 | 10.62 | 13.53 |
| 44.50 | ±0.40 | 12.21 | 15.55 |
| 47.50 | ±0.40 | 13.91 | 17.72 |
| 51.50 | ±0.40 | 16.35 | 20.83 |
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