Selection of clearance, transition, interference fits based on H7 and H8 holes, suitable for general engineering. Typical applications illustrated, full descriptions of various types of fit. Tables showing classification of types of fit, equivalent fits on hole basis and shaft basis, and Preferred Fractional and Decimal inch sizes. Diagrams for disposition of limits and tolerances, of standard shaft fits with H7 and H8 holes, degree of accuracy expected from various manufacturing processes. Imperial units only.