Thin (Jam, Reduced Height) Hex Nuts

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 addresses thin Hex Nuts.

ASME B18.2.4.5M-2008

Metric Hex Jam Nuts

This Standard covers the complete general and dimensional data for metric hex jam nuts 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. Consumers should consult with suppliers concerning lists of stock production hex jam nuts.

ISO 10511:2012

Prevailing torque type hexagon thin nuts (with non-metallic insert)

ISO 10511:2012 specifies the characteristics of prevailing torque type hexagon thin nuts (with non-metallic insert) with thread from M3 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 04 and 05.

ISO 4035:2012

Hexagon thin nuts chamfered (style 0) - Product grades A and B

ISO 4035:2012 specifies the characteristics of chamfered hexagon thin nuts (style 0), 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 4036:2012

Hexagon thin nuts unchamfered (style 0) - Product grade B

ISO 4036:2012 specifies the characteristics of unchamfered hexagon thin nuts (style 0), with threads from M1,6 up to and including M10 and product grade B.

ISO 8675:2012

Hexagon thin nuts chamfered (style 0) with metric fine pitch thread - Product grades A and B

ISO 8675:2012 specifies the characteristics of chamfered hexagon thin nuts (style 0), with metric fine pitch thread, with nominal thread diameters from 8 mm up to and including 64 mm, with product grade A for sizes D 16 mm and product grade B for sizes D 16 mm.

ISO 10096:1997

Aerospace - Nuts, hexagonal, slotted (castellated), reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/315 degrees C, 600 MPa (at ambient temperature)/650 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/730 degrees C and 1 100 MPa (at ambient temperature)/600 degrees C - Dimensions

This International Standard specifies the dimensions of hexagon slotted (castellated) nuts, reduced height, reduced across flats, with MJ threads, of classifications: 450 MPa l) /425 C 2) , 600 MPa 1) /235 C 2) , 600 MPa l) /315 C 2) , 600 MPa 1) /650 C 2) , 900 MPa 1) /235 C 2) , 900 MPa 1) /730 C 2) and 1100 MPa 1) /600 C 2) . These nuts are intended to be used with split pins in conformity with IS0 1234. This International Standard is only applicable for the compilation of aerospace product standards.

ISO 9618:2016

Aerospace - Nuts, hexagonal, slotted (castellated), reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/120 degrees C, 450 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/425 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/315 degrees C, 900 MPa (at ambient temperature)/650 degrees C, 1 100 MPa (at ambient temperature)/235 degrees C, 1 100 MPa (at ambient temperature)/730 degrees C and 1 250 MPa (at ambient temperature)/600 degrees C - Dimensions

ISO 9618:2016 specifies the dimensions of hexagon slotted (castellated) nuts, reduced height, normal across flats, with MJ threads, of classifications: 450 MPa/120 °C, 450 MPa/235 °C, 600 MPa/425 °C, 900 MPa/235 °C, 900 MPa/315 °C, 900 MPa/650 °C, 1 100 MPa/235 °C, 1 100 MPa/730 °C, and 1 250 MPa/600 °C. These nuts are intended to be used with split pins in conformity with ISO 1234. ISO 9618:2016 is applicable for the compilation of aerospace product standards.

ISO 12268:1997

Aerospace - Nuts, hexagonal, plain, reduced height, reduced across flats, with MJ threads, classifications: 450 MPa (at ambient temperature)/425 degrees C, 600 MPa (at ambient temperature)/235 degrees C, 600 MPa (at ambient temperature)/315 degrees C, 600 MPa (at ambient temperature)/650 degrees C, 900 MPa (at ambient temperature)/235 degrees C, 900 MPa (at ambient temperature)/730 degrees C and 1 100 MPa (at ambient temperature)/600 degrees C - Dimensions

This International Standard specifies the dimensions of plain, hexagonal nuts, reduced height, reduced across flats. with MJ threads, of classifications: 450 MPa 1) /425 C 2) , 600 MPa 1) /235 C 2) , 600 MPa 1) 315 C 2) , 600 MPa 1) 650 C 2) , 900 MPa 1) 235 C 2) , 900 MPa 1) 730 C 2) and 1100 MPa 1) /GOO C 2) . Nuts provided with holes are intended to be used with lockwire in conformity with ISO 245. This International Standard is only applicable for the compilation of aerospace product standards. 1) Corresponds to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class. 2) Maximum temperature that the nut is able to withstand, without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the material or by the surface treatment.

ISO 9609:2016

Aerospace - Nuts, hexagonal, plain, reduced height, normal across flats, with MJ threads, classifications: 450 MPa (at ambient temperature) /120 degrees C, 450 MPa (at ambient temperature) /235 degrees C, 600 MPa (at ambient temperature) /425 degrees C, 900 MPa (at ambient temperature) /235 degrees C, 900 MPa (at ambient temperature) /315 degrees C, 900 MPa (at ambient temperature) /650 degrees C, 1 100 MPa (at ambient temperature) /235 degrees C, 1 100 MPa (at ambient temperature) /730 degrees C and 1 250 MPa (at ambient temperature)/600 degrees C - Dimensions

ISO 9609:2016 specifies the dimensions of plain, hexagonal nuts, reduced height, normal across flats, with MJ threads, of classifications: 450 MPa/120 °C, 450 MPa/235 °C, 600 MPa/425 °C, 900 MPa/235 °C, 900 MPa/315 °C, 900 MPa/650 °C, 1 100 MPa/235 °C, 1 100 MPa/730 °C, and 1 250 MPa/600 °C. NOTE 1 450 MPa, 600 MPa, 900 MPa, 1 100 MPa and 1 250 MPa corresponds to the minimum tensile stress which the nut is able to withstand at ambient temperature without breaking or cracking when tested with a bolt of a higher strength class. NOTE 2 120 °C, 235 °C, 425 °C, 315 °C, 650 °C, 730 °C and 600 °C corresponds to the maximum temperature that the nut is able to withstand without permanent alteration to its original characteristics, after ambient temperature has been restored. The maximum temperature is conditioned by the surface treatment. Nuts provided with holes are intended to be used with lockwire in conformity with ISO 245. ISO 9609:2016 is only applicable for the compilation of aerospace product standards.