| Answer | Crossword Clue |
|---|---|
| TNUT | Cousin of a U-bolt. |
| clevises | A U-shaped or forked metal connector within which another part can be fastened by means of a bolt or pin passing through the ends of the connector |
| ENER | U.S. dept. with a lightning bolt on its seal |
| TNUT | Fastener in the catalog a bit above a U-bolt? |
| shackles | A metal link, typically U-shaped, closed by a bolt, used to secure a chain or rope to something |
| shackle | A metal link, typically U-shaped, closed by a bolt, used to secure a chain or rope to something |
