6–12mm Carbide Drill Bit Set – Tile, Glass, Marble & Stone

6–12mm Carbide Four-Blade Serrated Drill Bit Set

Take on your toughest tiling and masonry projects with confidence. This industrial-grade carbide drill bit set features a four-blade serrated tip design engineered for precise, clean dry drilling through porcelain tile, ceramic, glass, marble, granite, concrete, and stone. Whether you're a seasoned tradesperson or a dedicated DIY enthusiast, these bits deliver fast, efficient results with minimal effort.

Key Features

• 4 Cutting Edges: The quad-blade serrated tip reduces cutting resistance, dramatically increasing drilling speed and producing cleaner holes with less chipping.
• Industrial-Grade Carbide: Coated carbide construction offers outstanding toughness and wear resistance for long-lasting, consistent performance.
• Dry Drilling Design: No water or coolant required — drill dry, fast, and clean on hard surfaces without the mess.
• Wide Compatibility: Fits standard hand drills and electric drills. Size range 6mm to 12mm covers the most common hole sizes for tiles, fixtures, and anchors.
• Multi-Material Use: Ideal for ceramics, granite, tile, stone, marble, glass, wood, plastic, and concrete walls.
• CE Certified: Meets CE safety standards for your peace of mind on every job.

Specifications

What Can You Drill?

This versatile set handles a wide range of hard and semi-hard materials:

• Porcelain & Ceramic Tiles
• Glass
• Marble & Granite
• Concrete & Masonry Walls
• Stone
• Wood & Plastic

Perfect For

Bathroom and kitchen tile installations, mirror and glass mounting, stone countertop work, anchor bolt drilling in concrete, and any masonry DIY or professional project where precision and durability matter.

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Frequently Asked Questions

Q: Can these carbide drill bits be used with a standard cordless electric drill?

A: Yes! The 6–12mm carbide four-blade drill bits are compatible with standard hand drills and electric drills, including cordless models. Simply insert the shank into your drill chuck and you're ready to go — no special adapters required.

Q: Do I need water or a coolant when using these drill bits on tile or glass?

A: These bits are designed for dry drilling, so no water or coolant is needed. However, for very thick or dense glass, applying occasional light pressure pauses can help manage heat buildup and extend the life of the bit.

Q: What sizes are included in the drill bit set?

A: The set covers sizes ranging from 6mm to 12mm, making it suitable for a wide variety of applications — from small pilot holes for anchors in ceramic tile to larger openings for plumbing fixtures in stone or marble.

Q: Are these bits suitable for drilling through porcelain tiles without cracking them?

A: Yes. The four-blade serrated carbide tip is specifically engineered to reduce cutting resistance and minimize chipping on hard, brittle surfaces like porcelain. Starting at low speed and applying steady, even pressure gives you the cleanest, most precise results.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.