Hexagon Domed Cap Nut

Product Description

Hexagon Domed Cap Nut manufactured to DIN1587 specifications are essential threaded fasteners for industrial assembly across global markets. The smooth domed top conceals the bolt thread end, providing protection against corrosion and injury while delivering a decorative finished appearance suitable for visible assemblies. Available in thread sizes M4 through M10, with standard strength classes including 6, 8, and 10 for carbon steel applications. Material options include Class 6, 8, 10, SS A2, SS A4, Brass. Carbon steel grades 4.8, 8.8, and 10.9 cover general purpose through high-strength structural applications. Stainless steel A2 (304) and A4 (316) provide corrosion resistance for marine, food processing, pharmaceutical, and chemical environments. Brass is available for electrical and decorative applications requiring non-magnetic properties. Surface treatments include zinc plating (Z.P.L), black zinc phosphate (B.Z.P), nickel plating (Ni.P), Decromet, Ruspert ceramic coating, and hot-dip galvanizing.

Standard hex geometry allows installation with common hand or power tools, enabling efficient assembly in both workshop and field environments. The precision-formed threads meet ISO 965 tolerance standards for consistent mating with corresponding bolts and screws. Typical applications span automotive manufacturing, machinery assembly, construction, electronics production, furniture manufacturing, and general engineering industries worldwide. These fasteners are designed to meet or exceed applicable international standards for dimensional accuracy and mechanical performance. Aufaster supplies these products in bulk packaging with full material traceability per EN 10204 Type 3.1, dimensional inspection reports, and mill test certificates available on request. Custom sizes, special materials, and non-standard finishes are available for OEM customers with volume requirements.