Interference Fit

A fit between a hole and a shaft where there is always some interference between the two.

Used to ensure that mating parts do not move relative to each other.

See also: Class of Fit, Clearance Fit, Transition Fit.

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Subjects: Mechanical Engineering

Tolerance and Fit - Selection of suitable fits of machine parts according to the international standard ISO 286, ANSI B4.1 and ISO 2768.