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IRWIN Unibit 3-Piece Set Step Drill Bit Set (3/16-in to 7/8-in) in the Step Drill Bits department at Lowes.com
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Amazon.com: ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, 50 Sizes in 5 High Speed Steel Unibit Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped
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IRWIN Unibit High-Speed Steel Fractional Self-Starting Step-Drill #5, 10235 - Jobber Drill Bits - Amazon.com
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Amazon.com: Step Drill Bit for Metal, Step Drill Bit, CORTOOL Titanium High Speed Steel Step Drill Bit Set, Unibit Step Drill Bit, Heavy Duty Step Bit, HSS Drill Bit Set (1/4" to
![IRWIN Unibit 3/8-in 2-Step Drill Bit (7/8-in and 1-1/8-in) in the Step Drill Bits department at Lowes.com IRWIN Unibit 3/8-in 2-Step Drill Bit (7/8-in and 1-1/8-in) in the Step Drill Bits department at Lowes.com](https://mobileimages.lowes.com/productimages/10afd124-f67a-4fef-9834-bab8857d75a6/42174942.jpg)
IRWIN Unibit 3/8-in 2-Step Drill Bit (7/8-in and 1-1/8-in) in the Step Drill Bits department at Lowes.com
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