Double Tube HQ NQ Impregnated Core Drill Bit for Oil & Gas / Tunneling / Deep Drilling Hard Rock Efficient Sampling
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Diamond-Enhanced Durability: Utilizes impregnated diamond matrix technology, specifically designed for hard rock (granite, basalt, etc.), improving wear resistance by 50+% and extending bit lifespan.
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Double Tube High-Efficiency Coring: Inner and outer tube synergy ensures high core recovery (≥95%), delivering uncontaminated deep samples for scientific exploration and resource evaluation.
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Multi-Scenario Adaptability: Ideal for harsh environments such as oil & gas wells, tunnel boring, and underground construction, withstanding high impact and extreme pressure.
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Optimized Chip Removal: Helical waterways and high-flow grooves enable fast cuttings removal, reducing jamming risks and improving drilling efficiency.
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Customizable Specifications: Available in multiple diameters (75-150mm) and thread connections, compatible with mainstream rigs for flexible depth requirements.
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Products Catalog
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Double Tube HQ NQ Impregnated Core Drill Bit for Oil & Gas / Tunneling / Deep Drilling Hard Rock Efficient Sampling
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110mm Impregnated Core Bit | Single Tube for Hard Rock Drilling | Deep Sampling | Oil & Gas | Tunneling
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NQ Impregnated Core Bit – Premium Hard Rock Drilling (High-Durability Design for Oil/Gas & Tunneling)