4145h Mod, Non-Magnetic Material Drill Collars

4145h Mod, Non-Magnetic Material Drill Collars. Non-Magnetic Material: Made of P550 material with relative permeability less than 1.010 for directional drilling. API & ISO Certified: Holds API 7-1, API 7-2, ISO 9001, and ISO 14001 certifications for international standards. Forging Process: Manufactured using precision forging and heat treatment for high strength and durability. Customized Logo: Logo customization available with a minimum order quantity of 1 piece. Customized Packaging: Steel frame with plastic cover or seaworthy packing available with minimum order of 1 piece. Graphic Customization: Graphic customization services offered with a minimum order quantity of 1 piece. 1-Year Warranty: Comes with a 1-year warranty covering free replacement for quality issues. Fast Delivery: Standard delivery time is 20 days, with 10-15 days available for many orders.