haisch straub fasteners, German haisch straub models, haisch straub prices

haisch straub fasteners feature one or more cutting edges 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 screw tail and threads. 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