Irwin 10239 Unibit 7/8 Inch & 1-1/8 Inch 1/2 Inch Shank Step Bit For 1/2 & 3/4 Conduit

Key Features

• Single-flute cutting edge for greater control through steps
• Hex shank prevents slipping in drill chuck
• New speed point tip penetrates faster than previous Unibits and prevents walking

Step drill bits high speed steel hex shank self-starting 1/2 inches shank hole size 7/8 inches & 1-1/8 # of hole steps=2 High speed steel bit with single flute cutting edge for greater control through steps; hex shank prevents slipping in drill chuck. Speed Point tip penetrates faster and prevents walking in applications such as drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates.