Irwin Tools IRWIN Drill Bit Set, Cobalt Alloy Steel, Jobber, Fractional, 21-Piece (63221)

Key features

• Drill bits are made of M-42 5% Cobalt Alloy Steel high-speed steel for super abrasive resistance in tough metals
• 135° split point reduces feed pressure for easy penetration without work hardening
• Each drill bit has a heavy-duty spiral flute design that produces faster chip ejection
• Shorter cutting lips reduce torque for drilling in high-tensile-strength materials
• Cobalt Alloy Steel drill bit set comes in a metal index case
• Drill bits are made of M-42 5% cobalt high-speed steel for super abrasive resistance in tough metals
• 135° split point reduces feed pressure for easy penetration without work hardening
• Each drill bit has a heavy-duty spiral flute design that produces faster chip ejection

Product DescriptionThis IRWIN Cobalt Alloy Steel High-Speed Steel Drill Bit Set includes drill bits made of M-42 5% Cobalt Alloy Steel high-speed steel for super abrasive resistance in tough metals. The 135° split point reduces feed pressure for easy penetration without work hardening, while the heavy-duty spiral flute design produces faster chip ejection. These versatile drill bits come in a metal index case for easy transport and organization.From the ManufacturerIrwin Industrial Tools 63221 Cobalt Fractional Straight Shank Jobber Length - Metal Index - 21-Piece Set. Irwin offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride and Cobalt Drill Bits.

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