Tools Black Oxide Countersink Drill Bit, 5-Piece Set (1877791)

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🔧 Drill Like a Pro with IRWIN's Best!

The IRWIN Tools Black Oxide Countersink Drill Bit Set includes five precision-engineered bits made from high-speed steel, designed for durability and versatility. With a black oxide finish for corrosion resistance and a unique five-flute design to reduce vibration, this set is perfect for drilling countersink holes in various materials, including machinable metals, wood, and plastic. The 1/4-inch round shank ensures compatibility with all types of drills, making it an essential addition to any toolkit.