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Dome Cap Nut

Dome Cup Nuts, also known as Cap Nuts, are hexagonal nuts with a domed top designed to cover exposed bolt threads. They provide both functional protection and a clean, finished appearance in assemblies. Manufactured to ASTM and DIN standards, they are available in carbon steel, stainless steel, brass, and decorative finishes. These nuts prevent thread damage, enhance safety, and resist corrosion when plated or galvanized. They are widely used in furniture, automotive, architectural fittings, machinery, and general engineering projects.