Airgas - VIS10220 - IRWIN® SpeedPoint®/Unibit® 7/16" 3-Flat Shank Titanium Nitride Coated Step Drill Bit
![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 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](https://mobileimages.lowes.com/productimages/8aab6c58-579f-4ea7-9da7-22e9aaa892d0/42172851.jpg)
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
![Amazon.com: Lichamp Jumbo 2-3/8" Unibit Step Drill Bit for Metal, Extra Large Drill Stepper Bit for Hard Metal Heavy Duty, 12 Sizes from 1/4" to 2-3/8", Spiral Grooved, C5BK : Industrial & Amazon.com: Lichamp Jumbo 2-3/8" Unibit Step Drill Bit for Metal, Extra Large Drill Stepper Bit for Hard Metal Heavy Duty, 12 Sizes from 1/4" to 2-3/8", Spiral Grooved, C5BK : Industrial &](https://m.media-amazon.com/images/I/51QlNidiPKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Lichamp Jumbo 2-3/8" Unibit Step Drill Bit for Metal, Extra Large Drill Stepper Bit for Hard Metal Heavy Duty, 12 Sizes from 1/4" to 2-3/8", Spiral Grooved, C5BK : Industrial &
![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)