J429_199901 Mechanical and Material Requirements for Externally Threaded Fasteners

This SAE Standard covers the mechanical and material requirements for inch-series steel bolts, screws, studs, 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.