8 1/2 Inch API Reg PDC Drill Bit for Hard Rock Drilling in Water Well

Description

8 1/2 Inch API Reg PDC Drill Bit for Hard Rock Drilling in Water Well. High Wear Resistance: Super strong material and excellent PDC cutters ensure long bit life and gauge wear resistance. Optimized Design: Unique back rake design reduces torque, increases aggressiveness, and optimizes cuttings removal. Wide Application: Suitable for soft, medium, and hard rock formations including mudstone, limestone, shale, and sandstone. Quality Assurance: Factory-direct production with rigid quality control before shipment to ensure product reliability. After-Sale Support: Free replacement and shipping costs for defects like thread mismatch, cutter fall, or short working life. Fast Delivery: Delivery within 3-15 working days after payment confirmation, regardless of peak or off-season. High Cost Performance: High drilling performance combined with competitive pricing for excellent value in water well drilling.