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ISO Fits & Tolerances
Compute hole and shaft tolerance limits, deviations and resulting clearance/interference for any ISO 286-1 fit. Pick a preferred fit preset or build your own letter+grade combination.
mm
Range: 0.001 mm — 500 mm (ISO 286-1)
Hole H7
- Upper limit
- 25.0210 mm
- Lower limit
- 25.0000 mm
- Upper deviation (ES)
- +21 µm
- Lower deviation (EI)
- 0 µm
- Tolerance band (IT)
- +21 µm
Shaft g6
- Upper limit
- 24.9930 mm
- Lower limit
- 24.9800 mm
- Upper deviation (es)
- -7 µm
- Lower deviation (ei)
- -20 µm
- Tolerance band (IT)
- +13 µm
clearance fit
Max clearance
+41 µm
Min clearance
+7 µm