76mm 89mm 102mm 114mm 127mm R780 Rock Drilling Mining DTH Drill Rod

76mm 89mm 102mm 114mm 127mm R780 Rock Drilling Mining DTH Drill Rod. Diverse Size Range: Available in diameters from 76mm to 140mm with lengths up to 9000mm. Premium Material Quality: Materials sourced from top domestic enterprises for superior durability. Advanced Heat Treatment: Pipe ends undergo tempering and surface nitriding for wear resistance. Precision Thread Processing: Processed via imported CNC lathes and inspected with international gauges. OEM Customization: Supports customized logo, color, and parameters for branding needs. Comprehensive Certifications: Holds CE and ISO 9001:2000 certifications for global compliance. 1-Year Warranty: Covers whole machine excluding wearing parts with remote support. Fast Delivery Options: Stock items ship in 3-7 days; customized units in 15-30 days.