finedrill

140mm NC76 PDC 4 Wings Coring Drill Bit for Mining, Tunneling & Construction

  1. High-Performance PDC Cutters: Equipped with polycrystalline diamond compact (PDC) cutters for superior wear and impact resistance, ideal for hard rock and concrete drilling.

  2. Four-Blade Non-Coring Design: Optimized chip removal structure reduces jamming risk, enhances drilling speed and stability, and lowers energy consumption.

  3. 140mm Large Diameter: Specifically designed for mining, tunneling, and foundation drilling in construction, significantly improving operational efficiency.

  4. NC76 Connection: Compatible with standard hydraulic drill rigs and rotary equipment, suitable for both vertical and horizontal drilling applications.

  5. Durable & Cost-Effective: Robust one-piece steel body with reinforced surface treatment extends service life and reduces overall operating costs.

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