Irwin 16104 Unibit4MT Titanium Nitrate Coated 4-Millimeter to 22-Millimeter by 3/8-Inch Shank Step Drill Bit

IRWIN Unibit step drill bits use a single-flute cutting edge for greater control through steps

Each Unibit step drill bit has a hex shank to help prevent slipping in the drill chuck

SpeedPoint tip penetrates faster to minimize walking

Ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates

5mm maximum material thickness

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 faltted shank prevents slipping in drill chuck

New SpeedPoint tip penetrates faster than previous Unibits and prevents walking

This IRWIN Unibit #4MT Titanium Metric Self-Starting Drill Bit is ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates. IRWIN drill bits use a single-flute cutting edge for greater control through steps. A hex shank on each drill bit helps prevent slipping in the drill chuck, while the SpeedPoint tip penetrates faster to minimize walking.
Brand: Irwin Tools, Model: 16104, Color: Gold|Gold metallic, Size: #4M (4-22MM)