taper pin
mechanical fastener with one end having a slightly larger diameter than the other; a steep conical rod which is forced into a hole
en-GB/ˈteɪpə ˈpɪn/
en-US/ˈteɪpɚ ˈpɪn/
mechanical fastener with one end having a slightly larger diameter than the other; a steep conical rod which is forced into a hole