Irwin Unibit Step Drill Bit

High Speed Steel Fractional Self-Starting

• Single-flute cutting edge for better control through steps
• Hex shank limits slipping in drill chuck
• New SpeedPoint tip penetrates quicker than previous Unibits and prevents walking of bit.
  
• Excellent for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates