Dimension tolerance of round bars
| Diameter [mm] | Tolerance Drawn Bars [mm] | |
| Over | Up To | |
| =3 | 6 | 0 -0,08 |
| 6 | 10 | 0 -0,09 |
| 10 | 18 | 0 -0,11 |
| 18 | 30 | 0 -0,13 |
| 30 | 50 | 0 -0,16 |
| 50 | 65 | 0 -0,19 |
| 65 | 80 | 0 -0,30 |
| 80 | 100 | 0 -0,35 |
| Diameter [mm] | Tolerance Extrude Bars[mm] | ||
| Over | Up To | I Alloys Group | II Alloys Group |
| =8 | 18 | +/- 0,22 | +/- 0,30 |
| 18 | 25 | +/- 0,25 | +/- 0,35 |
| 25 | 40 | +/- 0,30 | +/- 0,40 |
| 40 | 50 | +/- 0,35 | +/- 0,45 |
| 50 | 65 | +/- 0,40 | +/- 0,50 |
| 65 | 80 | +/- 0,45 | +/- 0,70 |
| 80 | 100 | +/- 0,55 | +/- 0,90 |
| 100 | 120 | +/- 0,65 | +/- 1,00 |
| 120 | 150 | +/- 0,80 | +/- 1,20 |
| 150 | 180 | +/- 1,00 | +/- 1,40 |
| 180 | 220 | +/- 1,15 | +/- 1,70 |
| 220 | 270 | +/- 1,30 | +/- 2,00 |
| 270 | 320 | +/- 1,60 | +/- 2,50 |