Studs may have a drive slot in one end to facilitate installing the stud.
Types
With respect to shape, stud bolts a.k.a. studs are categorized into three basic types: "fully … See more

The allowable tensile force for a non-undercut threaded rod is defined by the American Institute of Steel Construction (AISC) as
$${\displaystyle P={\frac {0.33F_{\text{u}}\pi d^{2}}{4}},}$$
where d is the … See more

• Oberg, Erik; Jones, Franklin D.; Horton, Holbrook L.; Ryffel, Henry H. (1996), Green, Robert E.; McCauley, Christopher J. (eds.), See more

Metric threaded rods are marked on the end with a color code to define the ISO strength class. The color codes are:
• Unmarked — 4.6 class (tensile strength = 400 N/mm , yield strength 240 N/mm )
• Yellow — 8.8 class (800 N/mm , 640 N/mm ) See more