Cobalt Fractional Straight Shank Drill 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
• Set in metal index case

Includes: Drill bit sizes 1/16" through 3/8" in 1/64" increments