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Cross recessed countersunk head drilling screws with tapping screw thread

Advantage: The tail of the drill tail screw is in the shape of drill tail or sharp tail, without auxiliary processing, can directly drill, tap and lock on the setting materials and basic materials, greatly saving the construction time. Compared with ordinary screws, its high pulling force and maintenance force, long time after combination will not loosen, the use of safe drilling and tapping a complete operation is simple. Application Mainly used in the steel structure of the color steel tile fixed can also be used for simple building plate fixed. This screw be installed using a power-driver and are therefore particularly suited to fast production environments. They can be used in light and heavy gauge sheet metals, soft plastics etc, and are ideal for applications in heating and air conditioning, metal and fibreglass fabrication industries. pay attention: It cannot be used for metal to metal bonding.

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