ROSCHEN GROUP is professional in manufacturing and supplying quality adaptors for dth drill rods as one of the leading manufacturers and suppliers in China. ![]() In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure. Q: How does your company control the quality?Ī: Quality first. ![]() Besides, we accept goods return or replace for quality problem.Ī: Our factory is located in Wuxi city, China. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.Ī: Price is based on products and order quantity.Ī: Yes sure, please contact us for details.Ī: As a manufacturer has 32 years of history we offer prompt technology support for all problems and questions. Q: If the tool joint the buckle, the screw is not how to do?Ī: You can tap and screw, this tool joint is not easy to take over tripping in use.ġ. They are used for mineral exploration, geological drilling. Q: What are your main products, and used for?Ī: Our products include core barrel, casing, drill rod, drill rig and other drilling parts. Q: Are you a manufacturer or trading company? Subs Adapters: Type + Connection Thread + Length + Diameter In addition, where to buy our company's drill pipe, you can replace the protective adapter for you free of charge.Ģ 3/8" API REG, 2 7/8" API IF, 3 1/2" API REGįor brochures and more products information, please contact us to vertify your company information and tell us the details.ĭTH Drill Rods: Length + Diameter + Connection Thread + Wall Thickness The tube body upsetting thickening, improve the material and metal structure and improve the impact toughness, to ensure that the comprehensive mechanical properties and friction weld does not break. The use of joint nitrides, phosphides, or copper processing to protect the thread corrosion, anti-adhesion, improve the surface of the contact wire anti-fatigue strength. Optimize the design of the adapter structure, evenly improve the strength and dispersion of the drill pipe pressure, can give full play to the potential of the drill pipe material.ĭuring the process of forging the joint material, the material density is increased and the fiber structure of the material is changed, and the microstructure is enhanced, thereby enhancing its fatigue resistance. Greatly reduce the guidance and lift the obstacles, the use of this structure to improve the drill rod tensile, anti-torque strength, so that the female buckle joints will not be deformed. This structure can enhance the sealing of the joint, so that the pressure of the mud through the drill pipe center pipe does not leak. Roschen produced drill pipe joints with double lift shoulder (double top) structure.
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