6mm M14 Gold-Brazed Dry Diamond Drill Bit
Fast, clean 6 mm holes in porcelain, marble, granite, travertine and other hard surfaces—no water feed required. M14 thread for angle grinders (6,000–11,000 RPM). Gold-brazed diamond tip for long life.
6mm M14 Gold-Brazed Dry Diamond Drill Bit (MDG102)
Engineered for hard porcelain and stone, this professional dry core delivers fast, chip-reduced holes without a water feed. The gold-brazed diamond crown maintains aggressive cutting while the M14 shank mounts directly to most angle grinders.
Key benefits
- No water feed needed – work cleanly on finished areas.
- Pro-grade cutting – gold-brazed diamond crown bites into porcelain, marble, granite & travertine.
- M14 direct fit – suits most angle grinders, 6,000–11,000 RPM.
- Extended bit life – quick dip/cool routine between holes preserves diamonds.
- Perfect 6 mm fixings – hole size suits Plasplugs® Red Supergrips or similar.
Recommended use
- Mark the hole. Start at ~45° to score the surface, then bring upright.
- Run the grinder between 6,000–11,000 RPM. Do not use hammer/percussion.
- Apply light, steady pressure. Let the diamonds cut.
- Every 30 seconds, dip the tip in water and/or allow ~30 seconds cooldown after each hole.
Safety
- Wear eye, hearing and dust protection; use extraction where possible.
- Secure the workpiece and check for services behind the tile.
What’s in the box
- 1 × 6 mm M14 gold-brazed dry diamond drill bit
Technical specifications
| Diameter | 6 mm |
| Thread / Shank | M14 (angle grinder) |
| Suitable materials | Porcelain, marble, granite, travertine, ceramics, hard stone |
| Operating speed | 6,000–11,000 RPM (no hammer) |
| Cooling | Dry drilling; dip/cool every 30 s and 30 s after each hole |
| Body / Tip | Steel body, gold-brazed diamond crown |
| Hole compatibility | Plasplugs® Red Supergrips or similar 6 mm wall plugs |
| Warranty | 12 months against manufacturing defects |
Note: Not suitable for hammer drills. For rotary-only use with angle grinders via M14 thread. For SDS/3-jaw drills, use an appropriate adapter (sold separately).
MDG102
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