4-Piece Diamond Core Drill Bit Set for Tile, Glass & Stone Work
Working with hard materials like tile, glass, or stone? This diamond core drill bit set is designed for both drilling and edge finishing 🧱✨
You can choose a full 4-piece set or individual sizes depending on your project: 📏 1/4", 5/16", 3/8", 1/2"
Highlights: 🔹 Diamond grit surface for drilling + smoothing edges 🔹 Built-in cooling wax for dry drilling support 🔹 Works on porcelain, ceramic, marble, granite, quartz, glass 🔹 1/4" hex shank for stable connection and reduced vibration
A flexible option for workshop, renovation, and DIY use.










