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Product Overview
The Cap Nut is a specialized fastener featuring a domed top that covers exposed bolt threads, providing both protection against corrosion and a finished appearance. It is commonly used in applications where safety and aesthetics are priorities.
Key Features
Domed top design to cover and protect exposed bolt threads.
Provides a clean, finished appearance for visible fastener application.
Prevents injury from sharp or protruding threaded ends.
Available in various materials and finishes for decorative or functional use.
Compatible with standard hex tooling for installation.
| Grade | 4 / 5 / 8 / A2-70 / A4-80 |
| Size Range | M3–M24 / #4"–1" (custom sizes available) |
| Thread Type | Metric (ISO) / UNC / UNF |
| Standards | DIN 917 / ISO 4035 / GB/T 923 |
| Style | Domed cap / Acorn nut (with or without washer face) |
| Thread Class | 6H (metric) / 2B / 3B (imperial) |
| Material | Carbon Steel / Stainless Steel 304 / 316 / Brass |
| Surface Finish | Plain / Zinc Plated / Black Oxide / Nickel Plated |
| Operating Temperature | -40°C ~ 150°C (material-dependent) |
| Application | Decorative fasteners, furniture, machinery, handrails |
Applications
Furniture assembly, architectural fixtures, playground equipment, and consumer products.
