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Step Bit, Small 1/8" - 7/8" in 1/16" increments
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Steel Step Drill Set - 3 Piece, Titanium Nitride Step Drill Bits
Milwaukee 48-89-9201 #1 Step Drill Bit, 1/8 in. - 1/2 in. by 1/
Milwaukee 48-89-9205 Step Bit #5 1/4 Inch - 1-3/8 Inch
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Amazon.com: IRONANT Titanium Step Drill Bit, 1/4" to 1-3/8" Step Bit for Metal, 10 Sizes HSS Step Drill Unibit : Industrial & Scientific
