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High-Quality Cap Nuts from China Suppliers | Hex Domed Acorn Nuts Factory
Product Overview
| Product Name: | Cap Nut / Acorn Nut / Domed Hex Nut |
|---|---|
| Standard: | DIN 1587 / ANSI / BS / ISO / Customized |
| Thread Size: | M4 – M24 / #6 – 1” |
| Head Type: | Hexagon base with dome-shaped closed end |
| Thread Type: | Internal thread – Metric or Inch |
Material Options
- Carbon Steel (Grade 4.8, 6.8, 8.8)
- Stainless Steel (SS201 / SS304 / SS316)
- Nylon-inserted cap nuts (optional)
Surface Finish
- Zinc Plated
- Hot-Dip Galvanized
- Nickel Plated
- Chrome Plated
- Black Oxide
- Polished Stainless Steel
Key Features
Protects exposed bolt threads from corrosion and mechanical damage
Prevents accidental contact with sharp thread ends (enhanced safety)
Dome shape provides a clean, decorative appearance
Suitable for both indoor and outdoor applications
Available in standard and long-dome types
Applications
Automotive assembly
Furniture and playground
Machinery enclosures
Decorative fittings
Marine equipment
Construction projects
Packaging & Delivery
| Category | Details |
|---|---|
| Packaging | Bulk in cartons & pallets; Custom packaging and logo available |
| MOQ | 5000 pcs (negotiable) |
| Lead Time | 7–20 days depending on specifications |
| Shipping Port | Tianjin, China |
Why Choose Hebei Chudu
- 10+ years of expertise in fastener manufacturing
- Full range of metric and imperial cap nuts
- Strict quality inspection system (thread tolerance, plating thickness)
- OEM / ODM support for custom shapes, finishes, and materials
- Fast response, competitive pricing, and global logistics
Contact Us
Hebei Chudu Metal Products Co., Ltd.
🌐 Website: www.chudufastener.com
📧 Email: barry@hbchudu.com
📱 WhatsApp / Phone: +86 18533933520
Frequently Asked Questions
Cap nuts, also known as acorn nuts, are primarily used to cover exposed bolt ends to protect the threads from corrosion, prevent injury from sharp edges, and provide a finished, decorative look.
We manufacture cap nuts in high-quality Carbon Steel (Grades 4.8, 6.8, 8.8) and Stainless Steel (SS304, SS316, SS201) to suit different environment and strength requirements.
Yes, we provide various finishes including Zinc Plating, Hot-Dip Galvanizing, Nickel Plating, Chrome Plating, Black Oxide, and Polished Stainless Steel.
We supply a full range of sizes from M4 to M24 in metric standards, and #6 up to 1” in imperial (inch) standards.
Absolutely. Hebei Chudu offers full OEM/ODM services, including customized shapes, special dimensions, and private label packaging to meet your brand needs.
Standard lead times range from 7 to 20 days depending on the order volume and specific customization requirements. We ship directly from Tianjin Port, China.