Kelly Bar-Strength Grade Y. S 800+MPa&T. S 980+MPa for Drilling Rigs

Kelly Bar-Strength Grade Y. S 800+MPa&T. S 980+MPa for Drilling Rigs. High Strength & Durability: Y.S 800+MPa & T.S 980+MPa with high abrasion resistance and long service life. Customizable Options: Color, size/diameter, and specifications can be customized per customer demand. Professional Manufacturing: 20 years experience, 60,000 sqm factory, and 1000 sets annual production capacity. Quality Certifications: Certified by CE, ISO9001:2015, ISO45001, and ISO14001 for strict quality control. Rapid Delivery: Usually 2-7 working days after down payment receipt with plentiful stock availability. Comprehensive Warranty: 12 months or 2000 working hours warranty with free spare parts and on-site service. Advanced Technology: Robot cutting/welding, seamless alloy tubes, and integral forging for high reliability.