Constructed of M-35 5% cobalt high speed steel for super abrasive resistance in tough metals
Heavy duty spiral flute design produces faster chip ejection
Shorter cutting lips reduce torque when drilling in high tensile strength materials
135 degree split point reduces feed pressure for easier penetration without work hardening
IRWIN offers a complete line of Metal Twist Drill Bits, including Black Oxide, Turbo Point, Titanium Nitride, and Cobalt Drill Bits.. Ideal for drilling into hardened steel, alloys, titanium and stainless steel.