Diamond-Core Drill-Bit 7mm ⌀

7 mm diamond-core water drill suitable for drilling into stone, granite, marble and other hard surfaces.

- Diamond-core water drilling is used to drill surfaces that can't be rotary-hammer drilled.
- Suitable for stone, granite, marble, ceramic tiles and other hard surfaces.
- Each drill-bit drills approximately 1 lineal metre depending on the substrate.
- Use in conjunction with our water swivel, which fits any standard drill.
- The perfect mix of diamonds and hardend steel to ensure the fastest drilling time.