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. It is the objective of this document to insure 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. Appendix A is included to provide a recommended technique for measuring the case depth on the screws. J78 has been reaffirmed to comply with the SAE five-year review policy.
Steel Self-Drilling Tapping Screws
2013-04-16
Aufsatz (Konferenz)
Englisch
Lubricating oils , Washers , Cutting , Heat treatment , Screws , Assembling
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