Irwin 10234 #4 Unibit 3/16" - 7/8"

High Speed Steel Fractional Self-Starting Unibit 10234 Features:
•  Single-flute cutting edge for greater control through steps
•  3 flatted shank prevents slipping in drill chuck
•  Also available with titanium nitride coating for longer life
•  New SpeedPoint tip penetrates faster than previous Unibits and prevents walking
•  Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates

10234 Specifications:
Hole Size: 1/8"
Number of Holes: 12 steps