Screw is one of the common fasteners, and there are many types of screws, including drill tail screws and self tapping screws.
The tail of the drill tail screw is in the shape of a drill tail or pointed tail, and does not require auxiliary processing. It can be directly drilled, tapped, and locked on the setting material and foundation material, greatly saving construction time. Compared to ordinary screws, it has high tensile strength and holding force, and will not loosen even after being combined for a long time. It is easy to use safe drilling and tapping to complete the operation in one go. Especially in the integration of construction, architecture, residential and other places, self tapping and self drilling screws are the best economical fasteners in terms of operability, cost and reliability.
Self tapping screws, also known as quick acting screws, are steel fasteners that have undergone surface galvanization and passivation. Self tapping screws are commonly used for connecting thin metal plates (such as steel plates, saw plates, etc.). When connecting, first make a threaded bottom hole for the connected part, and then screw the self tapping screw into the threaded bottom hole of the connected part.
① Distinguishing between drilling tail screws and self tapping screws in terms of materials: drilling tail screws belong to a type of wood screw, while self tapping screws belong to a type of self-locking screw.
② Distinguishing between drilling tail screws and self tapping screws in terms of their usage: Drilling tail screws are mainly used for fixing color steel tiles and thin plates in steel structures. The main feature is that the tail is in the shape of a drill tail or pointed tail. When in use, there is no need for auxiliary processing, and drilling, tapping, locking, and other operations can be directly completed on the material in one go, greatly saving installation time. Self tapping screws have high hardness and can also be used on materials with high hardness, such as iron plates. Has low tightening torque and high locking performance.
③ Distinguishing between drill tail screws and self tapping screws in terms of performance: Drill tail screws are tools that use the physical and mathematical principles of the inclined circular rotation and friction of objects to gradually tighten the mechanical parts of objects. Drill tail screws are screws with self tapping drill heads at the front end of the screw. Self tapping screws are commonly used for connecting thin metal plates (such as steel plates, saw plates, etc.). When connecting, first make a threaded bottom hole for the connected part, and then screw the self tapping screw into the threaded bottom hole of the connected part.
Post time: Sep-05-2024