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chuck

chuck

1 9.5
A part in machines like drills and lathes that holds a bit or material being worked on
  • noun
  • /tʃʌk/
  • Specialized
translation icon : mandril
  • The grinder allows simultaneous precision finishing on both sides of the workpiece and does not require special workholding chucks.
  • drill chuck
  • tighten the chuck
  • chuck size

Examples

  • Models are available in MT3 and MT4 shanks, with a standard key chuck.

    Academic text (2002)
  • I always like to have reversible jaw chucks if I can.

  • An optional keyless chuck is also available.

    Academic text (2002)
  • So we have to mount that bit in here in a Chuck and then push this into our piece to drill a hole while it's spinning.

  • Wide temperature range chucks allow for flexible process latitudes.

    Academic text (1997)
  • He gave the crank a little turn and watched the drill's chuck drop toward the table.

    Fiction book (1992)
  • Finished tubes are held vertically in place by chucks on a rotary platform that resembles a drill press.

    Academic text (1995)
  • Finished glass tubes are fed into the diamond grinding machine manually and held in place by pneumatic chucks activated by a push button.

    Academic text (1995)
  • The chucks are available in screw- or power-operated two-jaw and power-operated three-jaw models.

    Academic text (1995)
  • Make sure to properly secure the workpiece in the chuck before you start the lathe.

Synonyms

collet chuck
vschuck
  • Specialized
9.7

A cone-shaped clamp that holds round rods firmly in a lathe

is broader and uses adjustable jaws to accept varied shapes and tools

Idioms

To stop trying because it seems pointless

Compounds

1 7.9

A wagon with a stove and food that serves meals for cowboys on cattle drives

A large bird that is active at night in the southern United States with a loud repeated call

chuck short ribs
  • Specialized
5.0

A piece of beef from near the shoulder with short bones and meat for slow cooking

6.1

Filled so nothing else can fit

collet chuck
  • Specialized
9.7

A cone-shaped clamp that holds round rods firmly in a lathe

Surface Forms

chuck singular
chucks plural

Etymology

The word chuck for the tool that holds a drill bit comes from the idea of grabbing or holding; a helpful way to remember it is to think of a chuck as a strong 'clamp' that keeps the bit in place.