| unit：mm | ||||||
| Tolerance grade | Nominal length classification | |||||
|---|---|---|---|---|---|---|
| less than 10 | Over 10 30 or less |
Over 30 under 100 |
Over 100 300 or less |
Over 300 1000 or less |
Over 1000 3000 or less |
|
| Straightness tolerance and flatness tolerance | ||||||
| H | 0.02 | 0.05 | 0.1 | 0.2 | 0.3 | 0.4 |
| K | 0.05 | 0.1 | 0.2 | 0.4 | 0.6 | 0.8 |
| L | 0.1 | 0.2 | 0.4 | 0.8 | 1.2 | 1.6 |
| References: "JIS Handbook Machine Elements 2001", page 584, Table 1 Quoted from the normal tolerances of straightness and flatness. | ||||||