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Hex Head Bolts

These standards from ASME, SAE, ISO, and others address bolts, their quality and construction, and their different forms. This list specifically addressed hex head bolts.

ASME B18.2.3.5M-1979 (R2016)

Metric Hex Bolts (B18.2.3.5M - 1979)

This Standard covers the general and dimensional data for metric hex bolts recognized as American National Standard. The inclusion of dimensional data in this Standard is not intended to imply that all of the sizes in conjunction with the various options described herein are stock production items. Consumers are requested to consult with manufacturers concerning lists of stock production hex bolts. Hex bolts purchased for Government use shall conform to this standard, and additionally to the requirements of Appendix III.

ANSI/ASME B18.2.3.7M-1979 (R2001)

Bolts, Metric Heavy Hex Structural

Covers the complete general and dimensional data for metric heavy hex structural bolts.

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ISO 15071:2011

Hexagon bolts with flange - Small series - Product grade A

ISO 15071:2011 specifies the characteristics of hexagon bolts with flange, small series, of product grade A, with threads from M5 up to and including M16, and property classes 8.8, 9.8, 10.9 and A2 70.

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ISO 15072:2012

Hexagon bolts with flange with metric fine pitch thread - Small series - Product grade A

ISO 15072:2012 specifies the characteristics of hexagon bolts with flange with metric fine pitch thread, small series, with product grade A, and with nominal thread diameters from 8 mm up to and including 16 mm and property classes 8.8, 9.8, 10.9, 12.9 or 12.9 (underlined) and A2 70.

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ISO 4014:2011

Hexagon head bolts - Product grades A and B

ISO 4014:2011 specifies the characteristics of hexagon head bolts with threads from M1,6 up to and including M64, of product grade A for threads M1,6 to M24 and nominal lengths up to and including 10 d or 150 mm, whichever is the shorter, and product grade B for threads over M24 or nominal lengths over 10 d or 150 mm, whichever is the shorter.

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ISO 4016:2011

Hexagon head bolts - Product grade C

ISO 4016:2011 specifies the characteristics of hexagon head bolts with threads from M5 up to and including M64, of product grade C.

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ISO 4162:2012

Hexagon bolts with flange - Small series - Product grade A with driving feature of product grade B

ISO 4162:2012 specifies the characteristics of hexagon bolts with flanges, small series, of product grade A (except the driving feature which is according to product grade B), with threads from M5 up to and including M16, and property classes 8.8 to 10.9 and A2 70. If, in special cases, specifications other than those listed in ISO 4162:2012 are required, they can be selected from existing International Standards, for example ISO 261, ISO 888, ISO 898 1, ISO 965 2 and ISO 3506-1.

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ISO 8765:2011

Hexagon head bolts with metric fine pitch thread - Product grades A and B

ISO 8765:2011 specifies the characteristics of hexagon head bolts with metric fine pitch thread with nominal thread diameters, d , from 8 mm to 64 mm, of product grade A for nominal thread diameters, d , from 8 mm to 24 mm and nominal lengths, l , up to and including 10 d or 150 mm, whichever is the shorter, and of product grade B for nominal thread diameters, d , over 24 mm or nominal lengths, l , over 10 d or 150 mm, whichever is the shorter.

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ISO 12258:1998

Aerospace - Bolts, reduced bihexagonal head, normal or pitch diameter shank, long length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 275 MPa - Dimensions

This International Standard specifies the dimensions of reduced bihexagonal head bolts, with normal or pitch diameter shank and long length MJ threads, in metallic material, coated or uncoated, of strength classes less than or equal to 1 275 MPa. This International Standard is applicable for the compilation of aerospace product standards.

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ISO 3185:2021

Aerospace - Bolts, normal bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions

This document specifies the dimensions of normal bihexagonal head bolts, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa. This document is applicable to the compilation of aerospace product standards.

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ISO 3186:2008

Aerospace - Bolts, large bihexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes 1 250 MPa to 1 800 MPa - Dimensions

ISO 3186:2008 specifies the dimensions of large bihexagonal head bolts, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes 1 250 MPa to 1 800 MPa. ISO 3186:2008 is applicable to the compilation of aerospace product standards.

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ISO 3193:2008

Aerospace - Bolts, normal hexagonal head, normal shank, short or medium length MJ threads, metallic material, coated or uncoated, strength classes less than or equal to 1 100 MPa - Dimensions

ISO 3193:2008 specifies the dimensions of normal hexagonal head bolts, with close or large tolerance normal shank and short or medium length MJ threads, in metallic material, coated or uncoated, with strength classes less than or equal to 1 100 MPa. ISO 3193:2008 is applicable to the compilation of aerospace product standards.

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