Why Drilling Porcelain Tile Is Different
Porcelain tile is one of the hardest materials a tile installer works with — denser and more brittle than ceramic, with almost zero forgiveness for the wrong technique or tool. Standard drill bits skate across the surface, generate excessive heat, and crack the tile from the inside out.
The solution is a purpose-built system: the Proxxon IBS/A Cordless Rotary Tool paired with the Distar Rocket Diamond Core Drill Bit. For a broader overview of tile drilling techniques, see How to Drill Through Tile Without Cracking It.
Why the Proxxon IBS/A for Tile Drilling?
- Variable speed (7,000–23,000 RPM) — critical for controlled starts and efficient cutting through dense porcelain
- Collet system (1.0–3.2mm) — grips drill shanks securely with zero runout
- Cordless 10.8V platform — same battery as the LHW/A grinder and WP/A polisher
- Compact and lightweight (700g) — easy to control for precise positioning
- Low vibration — reduces the risk of micro-cracking in brittle porcelain
Why the Distar Rocket Diamond Core Drill Bit?
- 300+ holes in 10mm porcelain — dramatically outperforms standard diamond drill bits
- Sintered diamond segments — bonded for maximum durability
- Laser-welded construction — reinforced steel body handles hard material drilling
- Dry drilling capable — no water setup required
- Available 20mm–68mm — covers every common hole size
- Max 3,000 RPM — matches perfectly with the IBS/A's variable speed range
Choosing the Right Hole Size
- 20–25mm — small pipe penetrations, cable conduit
- 32–35mm — standard plumbing supply lines, shower valve stems
- 45–50mm — faucet body holes, larger pipe penetrations
- 60–68mm — shower drain cutouts, large fixture bases
Step-by-Step: How to Drill Porcelain Tile with the IBS/A + Rocket
Step 1 — Mark and Tape the Hole Location
Mark the center of your hole clearly. Apply masking tape over the mark — this gives the bit something to grip and prevents skating on glazed tile.
Step 2 — Start at Low Speed, Angled
Set the IBS/A to its lowest speed (around 7,000–9,000 RPM). Begin drilling at a slight angle (~45°) to score a groove before the full core engages. This is the most critical step.
Step 3 — Bring to Vertical and Increase Speed
Once the bit has scored a visible groove, gradually bring the IBS/A vertical while slowly increasing speed.
Step 4 — Drill Through with Consistent Pressure
Apply steady, moderate downward pressure. Maintain 10,000–15,000 RPM for most porcelain.
Step 5 — Slow Down at Breakthrough
Reduce speed and pressure as you approach breakthrough to prevent chipping the exit side.
Pro Tips for Chip-Free Results
- Never start at full speed — always begin slow
- Use masking tape every time — prevents skating on glazed surfaces
- Don't force the bit — let the diamonds cut
- Drill from the finished face — any breakthrough chipping is hidden after installation
- For installed tile — use the DrillDUSTER 82 to contain debris
The Complete Proxxon + Distar Job Site System
- Proxxon LHW/A + Distar Butterfly Blade — precision cutting
- Proxxon IBS/A + Distar Rocket — clean hole drilling (this guide)
- Proxxon WP/A + Distar CoolPAD — edge polishing
- Proxxon Li/A2 Battery — one 10.8V platform powers all tools
Questions about which Rocket bit size is right for your project? Contact the Distar USA team.
Further Reading
- How to Drill Through Tile Without Cracking It
- How to Cut Porcelain Tile with a Cordless Angle Grinder — Proxxon LHW/A + Distar Butterfly
- How to Polish Porcelain Tile Edges with the Proxxon WP/A + Distar CoolPAD
- Chip-Free Tile Cutting: Choosing the Right Distar Blade for Your Proxxon Grinder
- What Is the Best Way to Cut Porcelain Tile?
- Dry Drilling in Concrete – When Is It Possible and When Is It Not?
