The M6 X 25 CUP SQUARE Z/P DIN 603 C/W NUTS is a premium-grade cup square bolt designed for structural applications. Manufactured to DIN 603 standards, it features a durable galvanised or zinc-plated finish, providing corrosion resistance for long-term outdoor and industrial use. The square section beneath the head prevents rotation, making it ideal for secure fastening. Commonly used in construction, fencing, timber joints, and heavy-duty projects, this bolt ensures a firm grip and reliability. Its robust construction guarantees strength and stability, making it a trusted choice for engineers and builders alike.