Premium Vacuum Brazed Diamond Tile Drill Bits – For Porcelain, Ceramic & Stone
🛠️ Wet Use | Power Drill Compatible | Sizes 5mm–50mm

Achieve precision drilling in porcelain and hard tiles with our vacuum brazed diamond drill bits. Designed for professional use, these bits feature a thick, premium-grade diamond coating fixed via vacuum brazing for unmatched durability and fast cutting performance.

Perfect for porcelain, ceramic, marble, granite, and other stone or masonry surfaces, these bits are compatible with standard power drills (hammer mode off). Use with continuous water cooling to maximise bit life and reduce heat.

🔧 Key Features:

• Vacuum Brazed Diamond Edge

  • High-concentration diamond at the cutting rim for efficient drilling in tough materials like porcelain and granite.

• Open-Core Design

  • Abrades only the outer edge of the hole to reduce resistance and improve speed.

• Precision Drilling

  • Perfect for small holes for fixings, pipes, sanitaryware, or LEDs.

• Clearance Slot

  • Built-in side opening makes debris removal fast and hassle-free.

• Versatile Sizes

  • From 5mm to 50mm, covering most common tile drilling needs.

• Pilot Drill on Large Sizes (18mm+)

  • Larger diameters include a removable tungsten carbide pilot drill to help start holes cleanly. A removal key is included.

• Use Wet Only

  • Always use with water cooling to prevent overheating and extend tool life.

📐 Recommended Applications:

• Drilling porcelain and ceramic wall/floor tiles

• Marble and granite countertops

• Natural stone, terracotta, and glazed clay

• Bathroom and kitchen installations

• Fixings, pipework, LED light cut-outs, brackets, sanitaryware

⚙️ Specifications:

• Vacuum brazed premium diamond grit

• Open core with side slot for waste clearance

• Wet use only – water feed essential

• Use with standard power drills (no hammer mode)

• Pilot drill (18mm and up): removable tungsten carbide centre drill

• Guide recommended for 5–12mm diameters for accurate starts

📦 Included with Larger Sizes (18mm and up):

• Removable pilot drill bit

• Removal key for quick centre drill extraction

• Water-cooled use recommended for all sizes

💡 Tips for Best Use:

• Use a drill guide or wooden jig for stability (especially on smooth surfaces)

• Always apply a steady water flow to cool and flush out debris

• Drill at a low to medium speed – don’t force the bit

• For glossy tiles, start at an angle to avoid slipping

🔍 Looking for a complete tile drilling solution?

Browse our angle grinder-compatible diamond bits for dry drilling, or check our core drill kits for masonry and multi-material applications.

✅ Ideal For:

• Tilers and bathroom fitters

• Plumbers and electricians

• Kitchen and stone installers

• Professional tradespeople and DIY users needing clean, accurate holes in tough materials

Also Available: We supply tile drill bits for use on angle grinders right up to 117mm. We also stock premium dry drill bits for situations where water would be inconvenient. We stock superb tile cutting diamond blades for porcelain.