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Irwin - Step Drill Bit: 1/4 to 1-3/8" Dia, 7/16" Shank Dia, High Speed Steel, 10 Hole Sizes - 06560668 - MSC Industrial Supply
![IRWIN UNIBIT 4-Piece 1/4-in Step Drill Bit Set (1/4-in to 1-3/8-in) in the Step Drill Bits department at Lowes.com IRWIN UNIBIT 4-Piece 1/4-in Step Drill Bit Set (1/4-in to 1-3/8-in) in the Step Drill Bits department at Lowes.com](https://mobileimages.lowes.com/productimages/49a61331-f8fa-459b-846d-8fb0d76b7276/63055742.jpg?size=xl)
IRWIN UNIBIT 4-Piece 1/4-in Step Drill Bit Set (1/4-in to 1-3/8-in) in the Step Drill Bits department at Lowes.com
IRWIN, 17 Hole Sizes, 1/4 in to 3/4 in/1/8 in to 1/2 in/3/16 in to 1/2 in, Step Drill Bit Set - 4XK73|15502 - Grainger
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Amazon.com: Irwin Tools Unibit # 5 1/4-inch a 1 – 3/8-Inch step-drill Bit, 1/2- by Irwin 10235.. # from-by # _ _ _ _ _ _ _ _ _ _ partzforce _
![IRWIN Unibit 3-Piece 3/8-in Step Drill Bit Set (1/8-in to 1/2-in) in the Step Drill Bits department at Lowes.com IRWIN Unibit 3-Piece 3/8-in Step Drill Bit Set (1/8-in to 1/2-in) in the Step Drill Bits department at Lowes.com](https://mobileimages.lowes.com/productimages/67f7e71e-af5e-4099-9a18-64811202ab00/63055669.jpg)
IRWIN Unibit 3-Piece 3/8-in Step Drill Bit Set (1/8-in to 1/2-in) in the Step Drill Bits department at Lowes.com
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Herramientas Irwin Unibit # 1 1/8-inch a 1/2-inch step-drill Bit, 1/4-inch Vástago (10231) : Amazon.es: Industria, empresas y ciencia
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Irwin 11195 Unibit® High Speed Steel Metric Step Drill - 29 mm - 10 Hole Sizes (5 mm - 29 mm) - Carded
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Irwin - Step Drill Bit: 1/4 to 3/4" Dia, 3/8" Shank Dia, Cobalt, 9 Hole Sizes - 82688755 - MSC Industrial Supply
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