En74 Standard Class-Bb Forged Scaffolding Double Coupler

En74 Standard Class-Bb Forged Scaffolding Double Coupler. EN74 Standard Compliance: Meets EN74-1BB and BS1139 standards for forged scaffolding double couplers. Drop Forged Technology: Manufactured using drop forging techniques for superior strength and durability. Multiple Tube Sizes: Compatible with tube outer diameters of 34mm, 48.3mm, 51mm, 60mm, 76mm, and 89mm. 5-Year Warranty: Comes with a comprehensive 5-year warranty covering mechanical defects. CE and ISO Certified: Holds CE, ISO, and EN74 certifications ensuring international quality standards. OEM and ODM Services: Full OEM and ODM services available with 4 dedicated R&D engineers. Q235B Steel Material: Constructed from high-quality Q235B steel for robust performance. European Market Focus: Specifically designed and certified for the European construction market.