91mm Single Tube Impregnated Diamond Core Bit for Hard Rock Drilling · Deep Sampling · Oil & Gas · Tunnel Engineering
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Efficient Hard Rock Penetration – High-grade diamond-impregnated matrix ensures fast drilling and extended service life in extremely hard formations.
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Precision Deep Sampling – Single-tube design optimizes core recovery, maintaining sample integrity for geological surveys and resource evaluation.
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High Temp & Pressure Resistance – Specially sintered for stability in harsh oil & gas drilling environments.
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Tunnel Engineering Solution – Reinforced matrix withstands impact, ideal for continuous tunneling and underground operations.
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Universal Compatibility – Standard 91mm size fits most drilling rigs, streamlining setup and boosting efficiency.
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127mm 6inch 7inch 8inch 9inch 245mm PDC Core Drill Bit
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Full Hydraulic Crawler Mounted 100 M 200 M 250 M 260 M Borehole Drill Wells Water Well Drilling Rigs Machine
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NQ Impregnated Diamond Core Drill Bit (75mm/76mm/77mm) – Double Tube Design for Hard Rock Drilling – Oil/Gas, Mining, Geothermal