摘要 |
<p>A female threaded fastener, such as a nut, for preventing cross threading with a male threaded fastener comprises a body in which there is a threaded bore. A mouth is formed on at least one open end of the bore. The mouth has a partial thread section and a lip segment. The partial thread section has formed in it at least one partial thread. The lip section is unthreaded and may be angled radially outwardly from the bore.</p> |