keylesschuck
nounUK /ˈkiːləs tʃʌk/
US /ˈkiːləs tʃʌk/
A part on a drill that holds the drill bit tight without needing a special key.
He tightened the drill bit in the keyless chuck by turning the collar.
RELATED WORDS
OTHER MEANINGS
2. A chuck that can be opened and closed by hand rather than with a separate wrench.
The keyless chuck made swapping bits quick and easy.
3. A drill attachment designed for fast bit changes on the job site.
Most modern cordless drills come with a keyless chuck.
4. A clamping device on a machine tool operated without an external key.
The lathe's keyless chuck gripped the workpiece securely.