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89mm Nc26 Thread DTH Water Well Drill Rod API Drill Pipe for Sale. Wide Material Selection: Available in R780, E75, X95, G105, and S135 steel grades. Advanced Heat Treatment: Features friction welding, nitrading, and upsetting for high toughness. Rust Prevention Coating: Includes paint or anti-corrosive oil with nitrided thread surfaces. Flexible Length Options: Lengths range from 1000mm to 6000mm based on specifications. 24/7 Technical Support: Engineers available online around the clock for assistance. Sample Orders Accepted: Small orders and sample testing are welcome for quality verification.