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Fasteners Manufacturing Standard

ASME 18.2.2-2010 Nuts for General Appt¡cations: Machine Screw Nuts, Hex, Square, Hex Flarge, and Coupling Nuts (Inch Series)

ASME 18.2.2-2010 Nuts for General Appt¡cations: Machine Screw Nuts, Hex, Square, Hex Flarge, and Coupling Nuts (Inch Series)


This Standard is intended to cover the complete general and dimensional data for the various tyPes of inch series square and hex nuts, including machine screw nuts and coupling nuts, recognized as American National Standard. Also included are appendices covering gaging of slots in slotted nuts, wrench openings for nuts, and formulas on which dimensional data are based. It should be understood, however, that where questions arise concerning acceptance of product, the dimensions in the tables shall govem over recalculation by formula.


The inclusion of dimensional data in this Standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers conceming lists of stock production sizes.