This SAE Standard covers the dimensional and general specifications, including performance requirements, for carbon steel self-drilling tapping screws suitable for use in general applications having point Styles 2, 3, 4, and 5.
It is the objective of this document to ensure that carbon steel self-drilling tapping screws, by meeting the mechanical and performance requirements specified, shall drill a hole and form or cut mating threads in materials into which they are driven without deforming their own thread and without breaking during assembly.
Rationale:
SAE J78 is being revised to update some of the testing procedures and add requirements for point Styles 2, 3, 4, and 5, which are in common use.
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Related Topics:
Bolts
Screws
Heat treatment
Washers
Materials properties
Test procedures
Fasteners
Also known as: SAE J 78
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