Fasteners are one of the indispensable parts in our work or life, and half hex rivet nut is also one of our common fasteners. So what are the misunderstandings in the use of half hex rivet nut? The screw and the nut are used together. The screw is an external thread, and the nut is an internal thread. We know that the external thread of the screw is processed by threading. The efficiency...