Irwin/Hanson UN3 Vise-Grip No. 3 Steel Frac Self Starting Unibit Drill Bit
Single flute cutting edge for greater control through steps. Hex shank prevents slipping in drill chuck. New SpeedPoint tip penetrates faster than previous Unibits and prevents walking. Ideal for drilling holes into thin material such as stainless steel, copper, brass, aluminum, plastic and laminates.