Pin-through button comprises section carrying screw which fits into fastener with threaded bore, decorative cover having round pins on its reverse side which fit into octagonal apertures on either side of screw

摘要

The pin-through button comprises a section (2) carrying a screw which fits into a fastener (1) with a threaded bore. A decorative cover (3) has round pins (6) on its reverse side which fit into octagonal apertures (5) on either side of the screw.