Irwin 63117 Drill 17/64 Cob Jl 135' Bulk (6 Pack)

Irwin 63117 Features:

• Constructed of M-35 5 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