- A small metal device for tightening the chuck of a drill so that it holds the drill bit securely.More example sentences
- Originally, reciprocating saws were provided with a separate chuck key to release the saw blade.
- I'm always misplacing the chuck key to my drill press.
- Step 3: Unscrew the drill chuck by holding down the drill on a sturdy workbench and inserting the chuck key.
More definitions of chuck keyDefinition of chuck key in:
- The British & World English dictionary