⚙️ ISO Fits & Tolerances

Select a common ISO fit and nominal size to see hole limits, shaft limits, and resulting clearance or interference.

Common Fits Quick Reference
ISO FitTypeUse Case
H11/c11ClearanceLoose running, large temp variation
H9/d9ClearanceFree running, bearings, long shafts
H8/f7ClearanceClose running fit
H7/g6ClearanceSliding fit, precision location
H7/h6ClearanceLocational, snug fit
H7/k6TransitionLocational, light tapping to assemble
H7/n6TransitionLocational, press or shrink
H7/p6InterferenceLight press fit
H7/s6InterferenceMedium drive, permanent assembly
H7/u6InterferenceForce fit, heavy duty