Product
Irwin Unibit 10220 Step Drill Bit, 9/16 to 1 in. Dia, 1-Flute, 7/16 in. Dia Hex Shank
BBD 192.84
In stock
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Hole enlarging features bit single flute cutting edge for greater control through steps and a true round hole, 3 flatted shank prevents slipping in drill chuck. Used in applications such as drilling holes into thin stainless steel, copper, brass, aluminum, plastic and laminates, pilot hole required.