
Wholesale Upsetting Thread Rebar Splices Joint 20mm Mechanical Connector. Premium Steel Material: Manufactured using S45C/40Cr steel for exceptional tensile strength and durability. Customizable Sizes: Available in sizes from 12mm to 50mm with customizable thread pitch. No Welding Required: Mechanical splice technology eliminates the need for traditional welding or lap splicing. Versatile Applications: Ideal for concrete construction, railway tunnels, and high-rise structures. Comprehensive Certifications: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, and CCC certified. 1-Year Warranty: Includes 1-year warranty and after-sales service coverage. OEM/ODM Services: Full customization, minor customization, and flexible customization options available. High Production Capacity: Annual output of 50 million couplers with over 200 advanced machines.