Diamond Drill Bit for Porcelain, Ceramic & Stone – Dry Drilling Technology

Precise, clean holes in the hardest surfaces — without water.

This Diamond-Coated Drill Bit is engineered for fast, accurate drilling in extremely hard materials such as porcelain tile, ceramic, granite, marble, and concrete. Designed for professionals and demanding DIY users, it delivers smooth results with long-lasting performance.

High-Performance Diamond Cutting

The premium diamond-coated tip provides superior cutting efficiency, allowing clean and precise holes while reducing chipping and cracking on delicate surfaces.

Dry Drilling with Built-In Cooling

Equipped with an internal wax cooling system, this drill bit supports dry drilling without the need for water. The wax melts during operation, reducing heat buildup and extending tool life.

Designed for Tough Materials

• Porcelain and ceramic tiles
• Granite and marble
• Concrete and masonry
• Glass
• Hard plastics

Available Sizes

• 5mm
• 6mm
• 8mm
• 10mm
• 12mm
• 14mm
• 16mm

Technical Specifications

• Tip Material: Diamond-coated
• Shank: 6.35mm (1/4") hex shank
• Diamond Length: 10mm
• Color: Black
• Cooling System: Integrated wax core

Key Advantages

• Dry drilling — no water required
• Clean, precise holes with minimal chipping
• High durability for repeated professional use
• Fast cutting even on ultra-hard surfaces

Usage Recommendations

• Use power tools with a minimum speed of 2,000 RPM
• Apply light, consistent pressure — do not force the drill
• Allow the bit to cool between continuous holes
• Wear safety glasses and protective gloves

If you need reliable performance for drilling porcelain and stone, this diamond drill bit is the right tool for clean, professional results.

Diamond Drill Bit – Precision Drilling for Porcelain, Ceramic & Stone.