REDUCED POINT ROOFING SCREW

The tail of the self-drilling screw metal roof fasteners is in the shape of a drill tail or a pointed tail. No auxiliary processing is required. It can be directly drilled, tapped, and locked on the setting material and the base material, which greatly saves construction time. Compared with ordinary screws, metal building screws have high toughness and maintenance force, and will not loosen after a long time of assembly. It is easy to operate by using a safe punching screw.

The tail of the metal building screws has a self-drilling head in the shape of a drill tail or a pointed tail. When the metal building screws is used to rivet the connected parts, the surface and the inside of the connected parts do not need auxiliary processing. The self-drilling screw metal roof fasteners can be directly drilled, tapped, and locked on the setting material and the base material in one time. Metal building screws can be quickly and automatically drilled and directly tightened and fixed; the construction efficiency of the self-drilling screw is extremely high; it saves construction time to the maximum extent, improves the efficiency of engineering construction, and improves economic benefits. The connected parts riveted by the self-drilling screw have strong bonding force, high preload force, and high stability of the connected parts. When selecting the self-drilling metal building screws, it is necessary to select the self-drilling screw of the appropriate model, material and size according to the material and thickness of the connected parts to be fixed.