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PDC Drill Bit for Sale Drag Bit Well Drill Bit Chevron Type Drill 3 Wing Drag Bits. Customizable Wing Design: Available in 3, 4, 5, or 6 wings based on customer drawings or samples. Wide Diameter Range: Sizes available from 76mm to 590mm to suit various drilling needs. Multiple Bearing Options: Offered in both sealed and non-sealed bearing types for flexibility. High-Performance Material: Constructed with Tungsten Carbide inserts and High Manganese Steel. Versatile Application: Ideal for water wells, mining, geothermal, and soft rock exploration. Strict Quality Control: 100% strict inspection and testing performed before every shipment. Factory Visit Welcome: Customers are welcome to visit the factory in Yantai, Shandong.