API Drill Collar Spiral and Non Magnetic Flex Drill Collar

API Drill Collar Spiral and Non Magnetic Flex Drill Collar. API Certified Quality: Complies with API 7-1, API 7-2, SY/T5144 standards and ISO9001 certification. Non-Magnetic Material: Made of P550 material with relative permeability <1.010 for precise drilling. Custom Logo Service: Customized logo available with a minimum order quantity of 1 piece. Flexible Customization: Supports customization from samples, designs, and full customization options. Comprehensive Product Range: Supplies full set of drilling tools including drill pipe, bits, and hammers. Strict Quality Control: Professional QC team performs strict inspection and testing before shipping. Fast Delivery Time: Normal delivery time is 10-15 days depending on purchasing quantity. 1-Year Warranty: Provides 1-year warranty with free change for quality issues.