Truss head self drilling screws
It is mainly used for fixing the color steel tile of steel structure, and can also be used for fixing the thin plate of simple building.Can’t be used for metal to metal bonding.
The tail of the self drilling screw is in the shape of drill tail or sharp tail, which can be directly drilled, tapped and locked on the setting materials and basic materials without auxiliary processing, thus greatly saving the construction time. Compared with ordinary screw, it has high pull-out force and maintenance force, and it will not loosen for a long time after combination. It is safe to use, and it is easy to finish drilling and tapping at one time.