Irwin Industrial 15101 Titanium Unibit Step Drill, 1/8"-1/2"

• Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
• Single-flute cutting edge for greater control through steps
• 3 flatted shank prevents slipping in drill chuck
• New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
• 1/8"-1/2"
• Hole Sizes: 13 Steps
• Number of Holes: 1/8"