... as .020" / 0.51 mm. Material: Steel, Stainless Steel, Aluminum A self-clinching fastener is any device, usually threaded, that when pressed ... chassis, bracket, or other item into which they are installed. Self-cinching fasteners can be installed in sheet metal using standard ... screw-hole in the sheet metal itself. As a result, self-clinching fasteners are extremely useful in the design and manufacture ...