Straightness tolerance
Straightness Tolerance EN13601
| Specified diameter, hexagon width across flats, thickness or width | Maximum deviation from straightness | ||
|---|---|---|---|
| h₂ | h₁ | ||
| over any length l₂ of 400 mm | over the total length l₁ | ||
| from 1 m up to and including 4 m | over 4 m | ||
| ≥ 10 mm | 0.8 mm | 2.0 mm × l₁ | by agreement |
where:
1 - Reference plane
h1, h2 - Deviations from straightness
l1, l2 - Measurement length