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ISO 286 Shaft Tolerance Calculator

The ISO shaft tolerance calculator determines preferred shaft tolerances according to ISO 286-1 and ISO 286-2. For a given nominal size and shaft tolerance designation (for example h6, g6 or k6), the calculator returns the upper and lower deviations in μm and the resulting maximum and minimum shaft sizes in mm.

Note: Use a dot (.) as the decimal separator.

Shaft tolerance calculator

Input parameters
Parameter Value Unit
Nominal size
Example: 9.85
 mm
Shaft tolerance —
 
Results
Shaft
Parameter Value Unit
Designation --- —
Shaft upper deviation --- μm (0.001 mm)
Shaft lower deviation --- μm (0.001 mm)
Maximum shaft size --- mm
Minimum shaft size --- mm
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Supplements

Reference

  • ISO 286-1 (2010) Geometrical product specifications (GPS) – ISO code system for tolerances on linear sizes – Part 1: Basis of tolerances, deviations and fits.
  • ISO 286-2 (2010) Geometrical product specifications (GPS) – ISO code system for tolerances on linear sizes – Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts.
  • ANSI/ASME B4.2 (1978) Preferred Metric Limits and Fits.