Metric DIN7985 Machine Screw

The self tapping screw of wall panel is used for the connection between gypsum wall board and metal keel. The thread is double headed thread, and the surface of thread also has a high hardness (≥ hrc53), which can be screwed into the keel quickly without making the prefabricated holes, thus forming a connection.Our company is specialized in making fasteners, we can provide a variety of bolt,nut,Anchor.like:Hex Bolt,Hex Nut ,Wire Rope.We have our own warehouse, standing stock, we can open molds to make products through the drawings provided by customers.we provide the best service. 

Tapping Screws are mostly used for the connection between thin metal plates (steel plates, saw plates, etc.). When connecting, make the bottom hole of the thread for the connected part, and screw the tapping screw into the bottom hole of the connected part. Because the surface of the thread of the tapping screw has a high hardness (≥ hrc45), the internal thread can be tapped out in the bottom hole of the thread of the connected part, thus forming the connection