The Hex Extension Nut for Threading Rod, sized 8mm, is designed for securely joining two threaded rods, providing extended length and stability for various construction, furniture, and industrial applications. Made from high-strength steel with a corrosion-resistant finish, this heavy-duty coupling nut ensures a firm, vibration-resistant hold ? perfect for scaffolding, framework assembly, and mechanical installations. Its hexagonal shape allows easy tightening with a standard wrench, ensuring quick and hassle-free assembly. Whether you?re a DIY enthusiast or a professional contractor, this 8mm hex extension nut offers reliable strength and durability for long-lasting performance.