The tail of the drill tail screw is in the shape of a drill tail or pointed tail, without the need for auxiliary processing. The drill tail screw can be directly drilled, tapped, and locked on the set material and basic material, greatly saving construction time. Drilled tail screws are more common screws, with higher toughness and maintenance force. After being combined for a long time, they will not loosen, and the use of safe drilling and tapping is easy to complete in one operation.
The purpose of drilling tail screws is: it is a type of wooden screw, mainly used for fixing colored steel tiles in steel structures, and can also be used for fixing thin plates in simple buildings. It cannot be used for metal to metal bonding fixation.