Airgas - VIS10220 - IRWIN® SpeedPoint®/Unibit® 7/16" 3-Flat Shank Titanium Nitride Coated Step Drill Bit
![Irwin Industrial Tools 10225 Unibit step drill bit, pezzi, 10225 : Amazon.it: Commercio, Industria e Scienza Irwin Industrial Tools 10225 Unibit step drill bit, pezzi, 10225 : Amazon.it: Commercio, Industria e Scienza](https://m.media-amazon.com/images/I/610z7XIolzL.jpg)
Irwin Industrial Tools 10225 Unibit step drill bit, pezzi, 10225 : Amazon.it: Commercio, Industria e Scienza
![IRWIN Unibit 1/4-in 12-Step Drill Bit (3/16-in to 7/8-in) in the Step Drill Bits department at Lowes.com IRWIN Unibit 1/4-in 12-Step Drill Bit (3/16-in to 7/8-in) in the Step Drill Bits department at Lowes.com](https://mobileimages.lowes.com/productimages/98d268a4-a69e-4afd-9870-fc8ce9a1351c/65398312.jpg)
IRWIN Unibit 1/4-in 12-Step Drill Bit (3/16-in to 7/8-in) in the Step Drill Bits department at Lowes.com
![Irwin Industrial Tools 10225 Unibit step drill bit, pezzi, 10225 : Amazon.it: Commercio, Industria e Scienza Irwin Industrial Tools 10225 Unibit step drill bit, pezzi, 10225 : Amazon.it: Commercio, Industria e Scienza](https://m.media-amazon.com/images/I/61K+x5BYvFL.jpg)