Contains

• bit

  The cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock...

• borer

  A drill for penetrating rock.

• chuck

  A holding device consisting of adjustable jaws that center a workpiece in a lathe or center...

• power drill

  A power tool for drilling holes into hard materials.

• brace and bit

  A drill consisting of a bit and a brace to hold and turn it.

• core drill

  A drill that removes a cylindrical core from the drill hole.

• dentist's drill

  A high speed drill that dentists use to cut into teeth.

• trepan

  A drill for cutting circular holes around a center.

• breast drill

  A portable drill with a plate that is pressed against the chest to force the drill...

• hand drill

  A small portable drill held and operated by hand.

• auger

  Hand tool for boring holes.

• reamer

  A drill that is used to shape or enlarge holes.