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Cutter makes driving screws easier and assure the best possible holding power. Designed for clean cutting and hardened for long wear. Cutter is held in place with 2 hex-socket screws and is easily adjustable up and down the drill so only cutter and length of drill is required for any length of wood screw.
82° angle.
1/2" cutting diameter, 7/32" drill hole, 7/8" overall length