Dry Diamond Drill Bits for Porcelain Tile Ceramic Glass Marble, Tile Drill Bit, Tile Saw, Vacuum Brazed 3/8 Inch Diamond Core Drill Bits, with Quick Change Hex Shank - by Cortool

The Cortool Diamond Tipped Drill Bit is a game-changer for any DIYer or professional looking to drill through hard materials like granite, marble, masonry, concrete, tile/ceramic, and stone.

With its patented vacuum brazed technology, this drill bit delivers unparalleled efficiency and speed, cutting through even the toughest surfaces with ease.

The built-in wax core provides automatic cooling, ensuring that your drill bit stays sharp and effective for longer periods of time.

Plus, it's easy to use - simply apply water when drilling granite for optimal results.

Don't settle for anything less, choose the Cortool Diamond Tipped Drill Bit for all your drilling needs.