Steigrex's Express Machining Service makes use of standard tolerances to avoid the overhead cost of drawings. This reduces overhead cost for both the customer and Stiegrex, reducing the cost to obtain custom machined parts.
ISO 2768 defines a variety of standard tolerances based on the size of the parts.
| Nominal Length (mm) | Permissible Deviation Class m (medium) |
|---|---|
| 0.5 up to 3 | ±0.1 |
| over 3 up to 6 | ±0.1 |
| over 6 up to 30 | ±0.2 |
| over 30 up to 120 | ±0.3 |
| over 120 up to 400 | ±0.5 |
| Nominal Length (mm) | Permissible Deviation Class m (medium) |
|---|---|
| 0.5 up to 3 | ±0.2 |
| over 3 up to 6 | ±0.5 |
| over 6 | ±1.0 |
| Nominal Length (mm) | Permissible Deviation Class m (medium) |
|---|---|
| up to 10 | ±1º |
| over 10 up to 50 | ±0º30' |
| over 50 up to 120 | ±0º20' |
| over 120 up to 400 | ±0º10' |
| over 400 | ±0º5' |
| Nominal Length (mm) | Permissible Deviation Class K |
|---|---|
| up to 10 | 0.05 |
| over 10 up to 30 | 0.1 |
| over 30 up to 100 | 0.2 |
| over 100 up to 300 | 0.4 |
| over 300 up to 1000 | 0.6 |
| Nominal Length (mm) | Permissible Deviation Class K |
|---|---|
| up to 10 | 0.4 |
| over 10 up to 30 | 0.6 |
| over 30 up to 100 | 0.8 |
| over 100 up to 300 | 1.0 |
| Nominal Length (mm) | Permissible Deviation Class K |
|---|---|
| up to 10 | 0.6 |
| over 10 up to 30 | 0.6 |
| over 30 up to 100 | 0.8 |
| over 100 up to 300 | 1.0 |
| Nominal Length (mm) | Permissible Deviation Class K |
|---|---|
| All | 0.2 |