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Step Drill Bits (6)

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Irwin Unibit-1 1-8" To 1/2" Step Drill

Irwin Unibit-1 1-8" To 1/2" Step Drill (585-10231)

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Irwin #20 Unibit Hole-Enlarging Stairstep Bit, 8-Step, 1/2in to 1in dia, 1/8 in Depth

Irwin #20 Unibit Hole-Enlarging Stairstep Bit, 8-Step, 1/2in to 1in dia, 1/8 in Depth (585-10220)

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Irwin Unibit Fractional Step Drill Bit, 1-1/8in

Irwin Unibit Fractional Step Drill Bit, 1-1/8in (585-10313)

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Irwin Unibit Fractional Two-Step Drill Bit, 7/8in to 1 1/8in

Irwin Unibit Fractional Two-Step Drill Bit, 7/8in to 1 1/8in (585-10239)

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Irwin 10312 3/8" Hole Unibit S

Irwin 10312 3/8" Hole Unibit S (585-10312)

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Irwin Unibit Fractional Step Drill Bit, 1/2in

Irwin Unibit Fractional Step Drill Bit, 1/2in (585-10310)

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Number of Items: 6

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Choose From A Broad Range Of Step Drill Bits; From ReStockIt.com.