Unibit, 3/16" To 1/2" Step Drill, 6 Hole Sizes From 1/8" To 1/2" In 1/16" Increments, Maximum Material Thickness 3/8", 3 Flatted Shank, Shank Size 1/4", Single Fluted Cutting Edge Assures True Round Holes & Allows Greater Control, Carded.
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
Patented single-flute cutting edge gives the user a true round hole every time
3 faltted shank prevents slipping in drill chuck
New SpeedPoint tip penetrates faster than previous Unibits and prevents walking