Irwin 30520 - 5pc Cobalt Left-Handed Drill Bit Set

•   Constructed of M-42 8 percent 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 for drilling in high tensile strength materials.
• 135-degree split point reduces feed pressure for easier penetration without work hardening
• Ideal for use with screw extractors

Sizes:

• 5/64", 1/4", 19/64", 5/32", & 7/64"