ISO 286 tolerance & fit calculator
Select nominal size, hole and shaft tolerance. Range 0–500 mm per ISO 286-1/-2.
Common fits:
Size range: 18–30 mm
Hole Ø25 H7
- Upper deviation
- +21 µm
- Lower deviation
- 0 µm
- Max. size
- 25.021 mm
- Min. size
- 25 mm
- Tolerance (IT)
- 21 µm
Shaft Ø25 g6
- Upper deviation
- -7 µm
- Lower deviation
- -20 µm
- Max. size
- 24.993 mm
- Min. size
- 24.98 mm
- Tolerance (IT)
- 13 µm
Fit
H7/g6
Max. clearance
+41µm
Min. clearance
+7µm
Clearance fit
Values are guide values for orientation. Always check them against the machine, clamping and workpiece. No liability for results.