Self tapping screws can not reach the concrete without using Dianchui case?
Self tapping screws cannot get in the case of concrete using dianchui.
Label in C10 above the concrete walls are not ordinary nail nails, if the gravity is not high can be directly used cement nail; if the bearing requirements high, need to use ordinary plastic expansion screws, self tapping screws with fixed type expansion tube.
Self tapping screw generally refers to the thread of the tooth is self tapping, self tapping, and do not need to use the nut together. Self tapping screws are used for non metals (wood, plastics, etc.) or soft metals. They do not need to be tapped or tapped. They can only be used for the fixation of soft materials. The hardness of the concrete is too high, and the tapping screws can not be used directly.
