Single-flute cutting edge for greater control through steps3 flatted shank prevents slipping in drill chuckAlso available with titanium nitride coating for longer lifePatented single-flute cutting edge gives the user a true round hole every timeIdeal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminatesPilot hole required
Description: 13/16" - 1-3/8" Hole Sizes: 10 steps Number of Holes: 1/8"