
Heat Treated Wireline Drilling Rods Bq Nq Hq Pq. High Precision CNC Processing: Processed by high-precision CNC lathe with consistent concentricity and straightness. Enhanced Thread Strength: Thread part is specially strengthened and tested by special thread gauge. Customizable Dimensions: Non-standard lengths and sizes can be made according to your demand. Fast Delivery Time: Normal production takes 7 days with standard products in stock for immediate shipment. Strict Quality Control: Adherence to ISO 9001 system with dedicated testing lab for every piece. Professional Expertise: Expert team with over 20 years of experience in geological drilling tools. Premium Raw Materials: Selected from leading steel factories like BAO STEEL and TANG STEEL. Comprehensive After-Sale Service: Timely communication and free replacement for problems caused by us.