Irwin HSS Countersink Bit

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Precision ground 82-degree tip for countersinking most machinable metals, wood or plastic. Made from industrial grade High-Speed Steel for increased durability. Black oxide finish resists corrosion. Five-flute design reduces vibration for smoother drilling and extended life. 1/4-inch round shank fits all handheld and stationary drills. Precision ground 82° tip for countersinking most machinable metals, wood or plastic Made from industrial grade high speed steel for increased durability Includes a black oxide finish for added corrosion resistance Five flute design reduces vibration for smoother drilling and extended life Show more