General Tolerances
Below, you will find the latest DIN standards, which apply to all parts made to DIN standards. Variations on dimensions without tolerance values are according to DIN ISO 2768.
Linear and Angular Dimensions (DIN ISO 2768 T1)
Linear Dimensions
| Permissible deviations in mm for ranges in nominal lengths | Tolerance class designation (description) | |||
|---|---|---|---|---|
| f (fine) | m (medium) | c (coarse) | v (very coarse) | |
| 0.5 up to 3 | ±0.05 | ±0.1 | ±0.2 | - |
| over 3 up to 6 | ±0.05 | ±0.1 | ±0.3 | ±0.5 |
| over 6 up to 30 | ±0.1 | ±0.2 | ±0.5 | ±1.0 |
| over 30 up to 120 | ±0.15 | ±0.3 | ±0.8 | ±1.5 |
| over 120 up to 400 | ±0.2 | ±0.5 | ±1.2 | ±2.5 |
| over 400 up to 1000 | ±0.3 | ±0.8 | ±2.0 | ±4.0 |
| over 1000 up to 2000 | ±0.5 | ±1.2 | ±3.0 | ±6.0 |
| over 2000 up to 4000 | - | ±2.0 | ±4.0 | ±8.0 |
External Radius and Chamfer Heights
| Permissible deviations in mm for ranges in nominal lengths | Tolerance class designation (description) | |||
|---|---|---|---|---|
| f (fine) | m (medium) | c (coarse) | v (very coarse) | |
| 0.5 up to 3 | ±0.2 | ±0.2 | ±0.4 | ±0.4 |
| over 3 up to 6 | ±0.5 | ±0.5 | ±1.0 | ±1.0 |
| over 6 | ±1.0 | ±1.0 | ±2.0 | ±2.0 |
Angular Dimensions
| Permissible deviations in mm for ranges in nominal lengths | Tolerance class designation (description) | |||
|---|---|---|---|---|
| f (fine) | m (medium) | c (coarse) | v (very coarse) | |
| up to 10 | ±1º | ±1º | ±1º30' | ±3º |
| over 10 up to 50 | ±0º30' | ±0º30' | ±1º | ±2º |
| over 50 up to 120 | ±0º20' | ±0º20' | ±0º30' | ±1º |
| over 120 up to 400 | ±0º10' | ±0º10' | ±0º15' | ±0º30' |
| over 400 | ±0º5' | ±0º5' | ±0º10' | ±0º20' |
Form and Position (DIN ISO 2768 T2)
Straightness and Flatness
| Ranges in nominal lengths in mm | Tolerance class | ||
|---|---|---|---|
| H | K | L | |
| up to 10 | 0.02 | 0.05 | 0.1 |
| over 10 up to 30 | 0.05 | 0.1 | 0.2 |
| over 30 up to 100 | 0.1 | 0.2 | 0.4 |
| over 100 up to 300 | 0.2 | 0.4 | 0.8 |
| over 300 up to 1000 | 0.3 | 0.6 | 1.2 |
| over 1000 up to 3000 | 0.4 | 0.8 | 1.6 |
Perpendicularity
| Ranges in nominal lengths in mm | Tolerance class | ||
|---|---|---|---|
| H | K | L | |
| up to 100 | 0.2 | 0.4 | 0.6 |
| over 100 up to 300 | 0.3 | 0.6 | 1 |
| over 300 up to 1000 | 0.4 | 0.8 | 1.5 |
| over 1000 up to 3000 | 0.5 | 0.8 | 2 |
Symmetry
| Ranges in nominal lengths in mm | Tolerance class | ||
|---|---|---|---|
| H | K | L | |
| up to 100 | 0.5 | 0.6 | 0.6 |
| over 100 up to 300 | 0.5 | 0.6 | 1 |
| over 300 up to 1000 | 0.5 | 0.8 | 1.5 |
| over 1000 up to 3000 | 0.5 | 1 | 2 |
Run-Out
| Tolerance class | ||
|---|---|---|
| H | K | L |
| 0.1 | 0.2 | 0.5 |