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ASTM A307-07a

Historical Revision

Standard Specification for Carbon Steel Bolts, Studs, and Threaded Rod 60 000 PSI Tensile Strength

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1.1 This specification covers the chemical and mechanical requirements of three grades of carbon steel bolts and studs in sizes 1/4 in. through 4 in. The fasteners are designated by "Grade" denoting tensile strength and intended use, as follows:

1.1.1 The term studs includes stud stock, sometimes referred to as threaded rod.

1.2 This specification does not cover requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors or similar externally threaded fasteners.

1.3 Suitable nuts are covered in Specification A 563. Unless otherwise specified, the grade and style of nut for each grade of fastener, of all surface finishes, shall be as follows:

1.4 The values stated in inch-pound units are to be regarded as the standard.

1.5 Supplementary Requirement S1 of an optional nature is provided, which describes additional restrictions to be applied when bolts are to be welded. It shall apply only when specified in the inquiry, order, and contract.

1.6 Terms used in this specification are defined in Terminology F 1789 unless otherwise defined herein.


SDO ASTM: ASTM International
Document Number A307
Publication Date Aug. 1, 2007
Language en - English
Page Count 5
Revision Level 07a
Supercedes
Committee F16.02
Publish Date Document Id Type View
Feb. 15, 2021 A0307-21 Revision
Oct. 1, 2014 A0307-14E01 Revision
Oct. 1, 2014 A0307-14 Revision
Dec. 1, 2012 A0307-12 Revision
Oct. 1, 2010 A0307-10 Revision
Dec. 1, 2007 A0307-07B Revision
Aug. 1, 2007 A0307-07A Revision
June 15, 2007 A0307-07 Revision
Aug. 1, 2004 A0307-04E01 Revision
Aug. 1, 2004 A0307-04 Revision
Oct. 1, 2003 A0307-03 Revision
Oct. 10, 2002 A0307-02 Revision
May 10, 2000 A0307-00 Revision
Not Available A0307-97 Revision
Not Available A0307-78 Revision