The 4" FS 6M Socket Weld Coupling from Capitol Manufacturing is engineered for secure connections in piping systems. This coupling features a 6M thread size, providing versatility for socket weld applications. Constructed from high-quality materials, it ensures durability and resistance to corrosion, making it ideal for various industrial and plumbing applications. Its design meets industry standards, ensuring a reliable and leak-free connection. Perfect for professionals and DIY enthusiasts, this coupling is a must-have for any piping project.