Irwin Tools Unibit #9 7/8-Inch and 1-1/8-Inch Step-Drill Bit, 1/2-Inch Shank (10239)

Size:#9 (7/8' + 1-1/8')  |  Style:High Speed Steel Product Description This IRWIN Unibit #9 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The sharp SpeedPoint tip penetrates fast and helps prevent walking, while the hex shank helps prevent slipping in a drill chuck. Use this reliable drill bit to drill holes into thin materials like stainless-steel, copper and more. From the Manufacturer UNIBIT 9 2 Hole Sizes (7/8' and 1-1/8' )for 1/2' and 3/4' KO