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Revolutionary tip design stays sharper longer and drills up to 28 percent faster than other leading drill bits
Three-flatted shank design provides better chuck grip and reduces slippage. Ideal for use in keyless chucks
Bit is constructed of M-2 high speed steel for the best combination of strength, heat resistance and wear resistance
18-piece set
Amazon.com The Irwin 18-Piece Drill Bit Set is ideal for a variety of drilling operations. Added resistance is provided-by-the durable, rubber-sided case. This 18-piece set includes a screw driver guide and No. 2 Phillips screwdriver insert. What's in the Box 18-Piece Drill Bit Set with Bonus Screw Drive Guide and #2 Phillips insert. Product Description Irwin Industrial Tools 3018024SM Drill Bit 18-Piece TurboMax Pro Set. Irwin offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride and Cobalt Drill Bits. From the Manufacturer Irwin Industrial Tools 3018024SM Drill Bit 18-Piece TurboMax Pro Set. Irwin offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride and Cobalt Drill Bits.