In construction, what is the primary purpose of an anchor bolt?

The primary purpose of an anchor bolt is to secure structural components to concrete or masonry. These bolts are essential in construction as they provide stability and safety by anchoring various elements such as columns, beams, and other heavy structures directly to concrete foundations or masonry walls. This attachment prevents movement or displacement caused by forces such as wind, seismic activity, or the weight of the structure itself.

The other options, while relevant to construction, do not accurately describe the specific function of anchor bolts. For instance, while they certainly hold materials together, that role is more characteristic of other fasteners like screws or nails. Similarly, creating a pivot point or providing insulation against vibration pertains to different components entirely, such as hinges or vibration dampers. Thus, the role of anchor bolts is crucial and uniquely focused on securing structural integrity within a construction project.