
Scaffolding Girder Couplers Scaffold Coupler T Bolt Names for Scaffold Clamps. EN74-1B Certification: Sigma tested and certified to EN74-1B British standards for safety and reliability. OEM and ODM Services: Full customization, minor customization, and flexible customization from samples or designs available. High-Quality Material: Constructed from Q235 steel with 8.8 class T Bolt and 21mm Cross Nut with Washer. Durable Surface Treatment: Available with electro galvanization or hot dip galvanized finish for corrosion resistance. Comprehensive Warranty: One-year warranty coverage provided for all mechanical equipment. 24/7 Online Support: Technical support available 24 hours online for customer assistance. ISO9001 Certified: Manufacturing process certified under ISO9001 quality management standards. Flexible Payment Terms: Accepts T/T, L/C, D/P, PayPal, Western Union, and small-amount payments.