🔩 Dome Nut (Acorn Nut) – Aesthetic & Protective Cap Nut | Neo Fasteners
Dome Nuts, also called Acorn Nuts, are hex nuts with a domed top that covers and protects the exposed end of a bolt or threaded rod. These nuts offer both functional and aesthetic benefits—preventing thread damage, enhancing safety, and improving the appearance of assemblies.
At Neo Fasteners, we supply Dome Nuts in a full range of materials including Stainless Steel, Mild Steel, Brass, Nylon, and High Tensile, with various plating options and thread types to suit all industrial, commercial, and decorative uses.
✅ Key Features
- Domed end protects exposed threads from damage, rust, or injury
- Improves safety in high-traffic or hand-contact areas
- Adds a finished, decorative appearance to bolts
- Available in metric and inch sizes
- Easy to install with standard spanners or sockets
📏 Standard Sizes (Metric)
| Thread Size | Across Flats (mm) | Dome Height (mm) | Standard |
|---|---|---|---|
| M3 | 5.5 mm | 5.5 mm | DIN 1587 |
| M4 | 7 mm | 6.5 mm | DIN 1587 |
| M5 | 8 mm | 7.5 mm | DIN 1587 |
| M6 | 10 mm | 9 mm | DIN 1587 |
| M8 | 13 mm | 11.5 mm | DIN 1587 |
| M10 | 17 mm | 14 mm | DIN 1587 |
| M12 | 19 mm | 17 mm | DIN 1587 |
UNC, UNF, BSW, and custom threads available on request
Oversized dome caps for cosmetic or safety purposes available
🧱 Material Options
- Stainless Steel (SS 304 / 316) – For corrosion resistance, marine and outdoor use
- Mild Steel (MS) – For cost-effective, general-purpose fastening
- Brass – For decorative, plumbing, or electrical assemblies
- Nylon / Plastic – Lightweight, non-conductive, chemical-resistant
- High Tensile Steel – For high-strength, load-bearing applications
🎨 Finish / Coating Options
| Finish Type | Properties |
|---|---|
| Zinc Plated (White/Yellow) | Corrosion-resistant, bright finish |
| Nickel / Chrome Plated | Decorative, smooth & shiny finish |
| Black Oxide | Non-reflective, industrial applications |
| Natural SS / Brass | For architectural or clean-room use |
| Powder-Coated (Color) | For custom or branded appearances |
📐 Conforming Standards
- DIN 1587 – Metric Dome Nut Standard
- ISO 4032 modified dome styles
- ANSI/ASME B18.2.2 – Inch dome nut standards
- RoHS Compliant – Free from hazardous substances
- ISO 9001:2015 Certified Manufacturing
🧰 Applications
- Decorative fasteners in automobiles, bikes, and furniture
- Electrical panels, solar structures, and light fixtures
- Medical equipment and cleanroom assemblies
- Playground equipment, fencing, and architectural structures
- Machinery and equipment where exposed threads need protection
📦 Packaging & Supply
- Small packs: 50 / 100 pcs (polybag or box)
- Bulk cartons: 10 kg / 25 kg master cartons
- Custom branding and labeling available
- OEM and export orders accepted
- Material Test Certificates (MTC), RoHS & Compliance Docs on request
📞 Contact Neo Fasteners
📧 Email: neofasteners@yahoo.com
📞 Call/WhatsApp: +91-96328 07665
🌐 Websites:
🔗 neofasteners.com (Google Site)
📍 Location: Bengaluru, Karnataka, India