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Geological Exploration Drilling Tools 42mm 50mm 60mm Water Well Mine Drill Pipe. Customizable Upset Types: Provides IU, EU, and IEU upset types to meet specific drilling requirements. Wide Size Range: Available in sizes from 42mm to 168mm for water well and oil drilling. High Strength Grades: Stocks E75, X95, G105, S135, and R780 grades for diverse geological conditions. Friction Welding Technology: Utilizes advanced friction welding and nitrading for enhanced durability. 24/7 Technical Support: Engineers available online 24 hours a day for immediate assistance. Rust Prevention: Includes paint or anti-corrosive oil treatment and thread nitriding before shipping.