Origin and definition of headless nails

As the name suggests, "headless nails" are fasteners without the traditional nail head design. Compared with traditional nails, its biggest feature is its unique structural design, usually in the form of a slender cylinder with a sharp end for penetrating materials and a special thread, expansion structure or other form of locking mechanism on the other end to ensure the stability of the fixed object. This design not only reduces material waste, but also greatly improves the flexibility and safety of use.