| Standard | Fine Class | Typical Tolerance @ 50mm (ABS) | Application | | :--- | :--- | :--- | :--- | | DIN 16742 | TG5 | ±0.18 mm | German automotive (VW, BMW, Mercedes) | | ISO 20457 | Fine (T3) | ±0.22 mm | General European engineering | | US SPI | Class 401 | ±0.25 mm | US consumer products |
Dimensional tolerances depend on the (mm) of the feature. Below is a simplified table for TG5 (based on DIN 16742, general tolerances for non-critical dimensions): din 16742 - tg5
DIN 16742 - TG5 is not a single number. It distinguishes between three tolerance categories: | Standard | Fine Class | Typical Tolerance