
Customizable Threaded Bar Coupler 25mm Mechanical Rebar Coupler for Railway Tunnels Bridges. Fully Customizable Options: Available in sizes 12-50mm with adjustable thread pitches 2.5-5mm for unique project demands. High Tensile Strength Material: Crafted from high-grade S45C/40Cr Carbon steel ensuring exceptional strength and durability. Seismic Performance Compliance: Adheres to ISO 15835 and CCC standards ensuring safety in seismic-prone regions. Superior Structural Strength: Internal threading ensures fast splicing and outperforms traditional methods in heavy-duty construction. Comprehensive Quality Testing: Tested by CMA, ILAC-MRA, and CNAS accredited centers for tensile strength and cyclic compression. 1 Year Warranty Coverage: Includes 1-year warranty for mechanical defects and after-sales support. OEM and ODM Services: Full customization, minor customization, and flexible customization options available. High Production Capacity: Annual output of 50 million rebar couplers supported by over 200 advanced machines.