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High-Quality Cap Nuts from China Suppliers | Domed Hex Nuts Manufacturer - Hebei Chudu Metal Products Factory
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High-Quality Cap Nuts from China Suppliers | Domed Hex Nuts Manufacturer - Hebei Chudu Metal Products Factory

Hebei Chudu Metal Products Co., Ltd., a leading factory in China, specializes in supplying top-quality cap nuts, also referred to as acorn nuts or domed hex nuts. These nuts are engineered to deliver a sleek, finished look while effectively safeguarding the exposed threads of bolts or studs. Ideal for applications where safety and aesthetics are paramount, our cap nuts are commonly utilized in furniture, machinery, automotive, and architectural projects. As trusted suppliers, we ensure that our products meet the highest standards of quality and durability, making them the perfect choice for your needs.

  • Product Name Cap Nuts | Hex Domed Nuts | Acorn Nuts
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Product Details

Cap Nuts (1)
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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
Fixing curtain rods, light fixtures, shelves

Protects exposed bolt threads from corrosion and mechanical damage

Interior partition wall systems

Prevents accidental contact with sharp thread ends (enhanced safety)

Suitable for cracked and uncracked concrete

Dome shape provides a clean, decorative appearance

Electrical

Suitable for both indoor and outdoor applications

Industrial

Available in standard and long-dome types

Applications
  • Automotive assemblyAutomotive assembly
  • Furniture and playground equipmentFurniture and playground equipment
  • Machinery and electrical enclosuresMachinery and electrical enclosures
  • Decorative metal fittings and railing systemsDecorative metal fittings and railing systems
  • Marine and offshore equipmentMarine and offshore equipment
  • Construction and architectural projectsConstruction and architectural projects
  • Bicycle and motorcycle partsBicycle and motorcycle parts
Cap Nuts Application
Packaging & Delivery
Service Type 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
What standards do your cap nuts comply with?
We manufacture cap nuts according to DIN 1587, ANSI, BS, ISO standards, and can also provide customized specifications to meet your specific project requirements.
What materials are available for Chudu cap nuts?
We offer various material options including Carbon Steel (Grade 4.8, 6.8, 8.8), Stainless Steel (SS201, SS304, SS316), and optional nylon-inserted versions for enhanced functionality.
What surface finishes do you provide?
To ensure high corrosion resistance and aesthetic quality, we offer Zinc Plated, Hot-Dip Galvanized, Nickel Plated, Chrome Plated, Black Oxide, and Polished Stainless Steel finishes.
What is the MOQ and standard delivery lead time?
Our standard Minimum Order Quantity (MOQ) is 5,000 pieces, which is negotiable. The lead time ranges from 7 to 20 days depending on the specifications and order volume.
Do you offer OEM/ODM services for custom fasteners?
Yes, Hebei Chudu supports comprehensive OEM/ODM services, including customized shapes, sizes, specific finishes, and custom packaging or logo printing.
Where do you ship the products from?
All our orders are securely packaged and shipped directly from the Port of Tianjin, China, ensuring efficient global logistics.