Cap nuts, also known as acorn nuts, are a type of hex nut with a domed top that covers the exposed end of a bolt or threaded rod. They serve both functional and decorative purposes, commonly used in applications where safety, protection, and appearance are important.
Key Features:
Protects threads from damage, corrosion, and accidental contact
Improves aesthetics by covering sharp or protruding fasteners
Available in multiple materials: stainless steel, carbon steel, brass, nylon
Finish options: zinc plated, chrome plated, black oxide, anodized
Metric and imperial sizes available to meet international standards
Applications:
Playground and gym equipment
Furniture and automotive assemblies
Exposed mechanical joints in outdoor or visible locations
Electrical and plumbing installations
Cap nuts are essential for both functional safety and a clean finish, making them a popular choice in industries that prioritize both performance and presentation.