double ended threaded bolt

The versatility of 2-inch self-drilling screws extends beyond just construction projects. They are commonly used in automotive, HVAC, and electrical applications as well. Their ability to penetrate various materials smoothly makes them ideal for a wide range of tasks, including but not limited to attaching metal framing, securing drywall, and assembling furniture. This adaptability allows professionals to use these fasteners across numerous industries, minimizing the need for multiple types of screws.


...

The 'head' of the bolt refers to its top part that sits above the threaded shaft. It's the part that provides the gripping surface for the tool used in installation or removal. The hexagonal shape offers several advantages over other head designs. Firstly, it allows for better torque application, enabling precise tightening without slipping. Secondly, the six-sided profile can accommodate larger wrenches or sockets, which can generate more torque, ideal for heavy-duty applications.

...