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