What is the primary function of a bolt in mechanical applications?

The primary function of a bolt in mechanical applications is to fasten objects together. Bolts are designed to create a secure connection between multiple components, ensuring that they remain joined under various conditions. This fastening capability is crucial in a wide range of applications, from construction to machinery assembly, where the integrity of the connections directly impacts the safety and performance of the overall structure or system.

Bolts achieve their fastening role by being threaded, which allows them to be inserted into a pre-drilled hole, usually accompanied by a nut that tightens against the material. This threading not only helps in making a secure joint but also allows for disassembly when necessary, making bolts a versatile choice for fastening in mechanical engineering and construction contexts.