Architecturally refined dome hex nuts designed for protective and aesthetic finishing in exposed bolt assemblies. Manufactured to DIN 1587 standards. These nuts feature closed-end caps to safeguard threads from damage and corrosion. Available in high-strength carbon steel and stainless steel 304, with surface finish zinc-plating. Ideal for mechanical, structural, and MEP applications requiring decorative appeal and thread protection. Range: M5 to M20