What are self-tapping screws generally used for

Screws for us is a familiar product, after all, many products will be used to it, at the same time we should dare to know the type of screws is actually very diverse, and self-tapping screws is one of them.

Self-tapping screws are a kind of screw with a drill, through the construction of special power tools, drilling, tapping, fixing, locking a completed. Self-tapping screws are mainly used for the connection and fixing of some thinner plates, such as the connection of color steel plate and color steel plate, the connection of color steel plate and purlin, wall beam, etc. Its penetration capacity is generally not more than 6mm, and the maximum is not more than 12mm.

Self-tapping screws are often exposed to the outdoors and have strong corrosion resistance; their rubber sealing ring can ensure that the screws do not seep and have good corrosion resistance. What are self-tapping screws generally used for? It is used for non-metal or softer metal, without bottom hole and tapping; self-tapping screws are pointed, so as to "self-tapping"; ordinary screws are flat-headed, the same thickness.