quick-release chuck
nounUK /ˌkwɪk rɪˈliːs tʃʌk/
US /ˌkwɪk rɪˈliːs tʃʌk/
A part on a tool that lets you change the bit fast without a key.
He swapped the drill bit in seconds thanks to the quick-release chuck.
RELATED WORDS
OTHER MEANINGS
2. A socket fitting on a socket wrench that holds sockets and releases them with a push button.
The quick-release chuck let him pop on a new socket one-handed.
3. A clamping device on a lathe or rotary tool that grips and frees workpieces quickly.
The lathe's quick-release chuck sped up loading each blank.
4. A connector on a camera or tripod that locks and frees equipment rapidly.
The quick-release chuck on the tripod head made switching cameras easy.