Irwin 1877793 Metal Countersinks Drill Bit Set, Black Oxide, 1/4" Shank, 5-Piece

Precision ground 82-degree 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.

• Precision ground 82-degree 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
• 1/4" round shank fits all handheld and stationary drills
• Set includes 1/4", 3/8", 1/2", 5/8", 3/4" and Drawer Case.

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