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These standards from ANSI, ASME, ISO, SAE, and others address the materials, construction, and requirements for hex nuts for a variety of applications. This list address basic nuts used in most day-to-day applications.
Covers the complete general and dimensional data for metric hex nuts, Style 1, recognized as American National Standard.
This Standard covers the complete general and dimensional data for metric hex nuts, Style 2, recognized as American National Standard. The inclusion of dimensional data in this Standard is not intended to imply that all of the nut sizes in conjunction with the various options described herein are stock items. Purchasers should consult with suppliers concerning lists of stock production hex nuts, Style 2.
This Standard covers the complete general and dimensional data for metric heavy hex nuts M12 through M100 recognized as American National Standard.
ISO 4032:2012 specifies the characteristics of hexagon regular nuts (style 1), with threads from M1,6 up to and including M64, with product grade A for threads of diameter less than or equal to M16 and product grade B for threads of diameter greater than M16.
ISO 4034:2012 specifies the characteristics of hexagon regular nuts (style 1) with threads from M5 up to and including M64 and product grade C.
ISO 8673:2012 specifies the geometry of hexagon nuts with nominal thread diameter from 8 mm up to and including 64 mm and the mechanical properties of hexagon regular nuts (style 1) with metric fine pitch thread in product grade A for nominal thread diameters 8 mm less than or equal to D less than or equal to 16 mm and in product grade B for nominal diameters 16 mm less than D less than or equal to 39 mm.
ISO 8279:2008 specifies the dimensions of plain, hexagonal nuts, of normal height, normal across flats, with MJ threads, of classifications: 600 MPa/120 °C, 600 MPa/235 °C, 900 MPa/425 °C, 1 100 MPa/235 °C, 1 100 MPa/315 °C, 1 100 MPa/650 °C, 1 210 MPa/730 °C, 1 250 MPa/235 °C and 1 550 MPa/600 °C. Nuts provided with holes are intended to be used with lockwire in conformity with ISO 245. ISO 8279:2008 is only applicable for the compilation of aerospace product standards.