Mechanical and Material Requirements for Externally Threaded Fasteners
J429_201109
This SAE Standard covers the mechanical and material requirements for inch-series steel bolts, screws, studs, screws for sems1, and U-bolts2 used in automotive and related industries in sizes to 1-1/2 in. inclusive.
The term “stud” as referred to herein applies to a cylindrical rod of moderate length threaded on either one or both ends or throughout its entire length. It does not apply to headed, collared, or similar products which are more closely characterized by requirements shown herein for bolts.
Rationale:
This revision updates the entire standard. Several references regarding testing procedures and sampling plans have been changed from SAE to ASTM standards to promote more uniformity in fastener testing procedures. Carbon steels with additives have been added to Table 2 in Grades 5 and 8 to align with the comparable materials strengths in the ISO property classes specified in ISO 898-1-2010 (Property Class 8.8 and 10.9).
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Related Topics:
Screws
Bolts
Washers
Materials properties
Tensile strength
Metals
Fasteners
Heat treatment
Also known as: SAE J 429
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