Diamond Core Drill Bit Set For Dry Drilling Tile With Wax Cooling Feature Grinding Porcelain Tile Glass Ceramic Hole Cutter(8Mm)
Diamond Core Drill Bit Set For Dry Drilling Tile With Wax Cooling Feature Grinding Porcelain Tile Glass Ceramic Hole Cutter(8Mm)
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Diamond Core Drill Bit Set For Dry Drilling Tile With Wax Cooling Feature Grinding Porcelain Tile Glass Ceramic Hole Cutter(8Mm)

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Key item features

  • This diamond‑coated core drill bit combines drilling and edge‑grinding in one tool—the front bores clean holes while the rear grinding wheel instantly smoothens and chamfers edges, eliminating the need to switch bits mid‑task.
  • Equipped with a built‑in high‑density wax core that automatically releases lubricant during high‑speed drilling, reducing friction, heat, and dust for cooler, smoother dry drilling on hard materials.
  • Designed for fast penetration on tough surfaces including porcelain tile, ceramic, marble, glass, and concrete, making it ideal for kitchen backsplashes, bathroom renovations, and attic wiring projects.
  • Features a non‑slip 1/4" hex shank for a secure grip in drill chucks, minimizing bit slippage, wobbling, and eccentric rotation to ensure stable, accurate holes every time.
  • Perfect for professional contractors and DIYers, its dry‑operation capability allows use where water cooling is impractical, while the durable diamond coating delivers long‑lasting performance on demanding jobs.
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