#bit.cutting_implement  the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
  supertype:  cutting_implement__cuttingimplement  a tool used for cutting or slicing
  subtype:  bur  center_bit  chamfer_bit  counterbore  drilling_bit  expansion_bit  pilot_bit  spade_bit  twist_bit
  part of:  drill  byte
  part:  shank  cylinder forming the part of a bit by which it is held in the drill

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