drill bit ( synonym found)
Definition of drill bit:

(n) : a twist drill; any other style of cutter, for example a spade drill, that is rotated and fed in a similar manner as a twist drill for the purpose of cutting a hole in metal, wood, or other materials
Definition of drill bit:

(n) : a twist drill; any other style of cutter, for example a spade drill, that is rotated and fed in a similar manner as a twist drill for the purpose of cutting a hole in metal, wood, or other materials
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