Irwin 15221 #21 Titanium Step Bit 13/16" - 1-3/8"

Unibit 15221 Specifications:
Description: 13/16" - 1-3/8"
Hole Sizes: 1/8"
Number of Holes: 10 steps

Unibit 15221 Features:
• 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