sodimatel aero fasteners Germany sodimatel aero models sodimatel aero prices

sodimatel aero fasteners cut one or more cutting slots at the end of the thread, allowing the tail and threads of the screw to cut matching internal threads in a manner similar to a tap when screwed into a pre-drilled hole. It can be used on thick plates, relatively hard or brittle materials that are difficult to form. Self-tapping screws are screws with a drill bit, constructed using specialized power tools to complete drilling, tapping, fixing, and locking in one operation. Self-tapping screws are mainly used for connections such as between color steel plates and purlins, and for connection and fixation, etc. Their self-tapping screws often