#chuck  a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill
  supertype:  #holding_device__holdingdevice  a device for holding something
  subtype:  #collet_chuck  a cone-shaped chuck used for holding cylindrical pieces in a lathe
  part:  #jaws
  part of:  #drill  a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
  part of:  #electric_drill__drill  a rotating power drill powered by an electric motor
  part of:  #lathe  machine tool for shaping metal or wood; the workpiece turns about a horizontal axis against a fixed tool

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