finedrill

NQ Hard Rock Core Drill Bit – Diamond Impregnated for Deep Drilling, Ideal for Oil & Gas / Tunnel Engineering

  1. High-Strength Impregnated Design – Premium diamond-impregnated matrix ensures efficient cutting in hard rock (e.g., granite, basalt) and extends bit lifespan.

  2. Precision Deep Sampling – NQ specification compatible with standard drill tools, ensuring intact core recovery and high data reliability.

  3. Multi-Scenario Application – Optimized for oil & gas exploration, tunneling, and underground construction in extreme hard rock conditions.

  4. Efficient Chip Removal & Cooling – Unique waterway design minimizes cuttings buildup, reduces thermal damage, and enhances continuous operation efficiency.

  5. Durable & Cost-Effective – High-wear-resistant matrix with optimized bonding formula reduces frequent replacement costs, ideal for long-term projects.

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