berrang fasteners Germany berrang models berrang prices

berrang fasteners feature one or more cutting slots at the end of the thread, allowing them to cut matching internal threads in a manner similar to a tap when screwed into a pre-drilled hole, utilizing the tail and threads of the screw. They can be used on thick plates, relatively hard or brittle materials that are difficult to form. Self-tapping screws are screws with a drill point; using specialized power tools, drilling, tapping, fixing, and locking are completed in one operation. Self-tapping screws are mainly used for connections such as joining color steel sheets to each other and to purlins, among others. These self-tapping screws are often exposed outdoors, and