Which of the following is considered a common type of mechanical fastener?

The identification of a common type of mechanical fastener points to a bolt, which is recognized as one of the primary categories of fasteners used in assembly applications. Bolts typically consist of a cylindrical body with external threads that allow them to be screwed into a corresponding nut, providing a strong and durable joint between components. Their versatility and strength make them ideal for a variety of structural applications, ranging from machinery to construction.

The design of a bolt allows for easy assembly and disassembly, which is valuable in situations where maintenance or adjustments might be necessary. Additionally, bolts can be used in conjunction with other fasteners, such as nuts and washers, to enhance the stability and reliability of the fastening system. The effectiveness of bolts in securing heavy loads and their widespread application across many industries, including automotive and aerospace, underscores their importance as a mechanical fastener.

While nuts, pins, and washers are also important types of fasteners, they serve different functions or are typically used in conjunction with bolts. Their roles complement bolts in securing assemblies but do not take precedence in terms of being a standalone common fastener like a bolt does.