Limits & Fits (ISO 286)
Hole-basis system: the hole is always H (lower deviation 0); the shaft
letter + grade sets the fit. Positive clearance = gap, negative = interference. Scope: nominal ≤ 120 mm,
shafts d, e, f, g, h, k, n, p.
Fit calculator
—
Hole limits
—
Shaft limits
—
Min clearance
—
Max clearance
—
Negative clearance = interference. ISO 286-2 standard-range deviations.
Per ISO 286. A helper, not a substitute for engineering judgment.