Dremel 662DR Glass Drill Bit with cutting oil, 0.13"
DREMEL® Glass Drilling Bit Drilling | Dremel
DrillGlass Diamond Core Bit Set for Glass and Tile | Compatible with Your Drill, Drill Press and Dremel Tool | Beginner's Instructions Drilling Guide | DCBSet - Amazon.com
Dremel 2-Piece Steel 3/32-in Cutting Bit Accessory in the Rotary Tool Bits & Wheels department at Lowes.com