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FineDrill 18mm-400mm Concrete Drill Bit Manufacturer Diamond Core Drill Bits for Concrete Stone Brick Wall Hard Rock Holes

  1. Multiple Sizes: Available in 18mm-400mm diameter options (thin-wall diamond segments) for versatile hole drilling in concrete, brick, stone, and hard rock.

  2. Hot-Pressed Diamond Tech: High-density diamond grit fused through thermal pressing ensures extreme durability and wear resistance.

  3. Efficient Cooling: Thin-wall design reduces friction heat, with water channels for smooth continuous operation.

  4. Precision Cutting: Laser-balanced for perfect concentricity, delivering clean holes with minimal chipping or cracks.

  5. Plug-and-Play: Compatible with standard drill rigs—ideal for both professional contractors and DIY projects.

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