Dome Nuts (Acorn Nuts) – Secure and Aesthetic Fastening Solution
Product Description
Dome Nuts, also known as Acorn Nuts, are closed-end nuts designed to cover exposed bolt threads—offering both safety and aesthetics. The dome shape prevents injuries, protects the threads from damage, and adds a polished appearance to mechanical and structural assemblies.
At SM Fasteners, our precision-machined dome nuts are available in multiple materials and surface finishes, including mirror-polished stainless steel and zinc-plated mild steel, ideal for both indoor and outdoor use, even in corrosive environments.
Applications
Dome nuts are widely used in industries requiring safety, corrosion resistance, and visual finish:
Furniture & Decorative Fixtures
Automotive Wheel & Engine Covers
Bicycles, Bikes & Racing Equipment
Architectural Railings & Glass Hardware
Playgrounds and Public Installations
Marine & Coastal Construction
Technical Specifications
| Parameter | Details |
|---|---|
| Type | Dome Nut (Acorn Nut) |
| Standard | DIN 1587, ASTM F912 |
| Material | SS 304 / SS 316, Mild Steel, Brass, Alloy Steel |
| Grades | A2-70, A4-80, 4.6, 8.8, Brass Natural |
| Size Range | M4 to M30 | 3/16″ to 1 1/4″ |
| Finish | Mirror Polish, Zinc Plated, Self-Color, Nickel Plated |
| Thread Types | Metric / UNC / UNF / BSW |
Why Choose Our Dome Nuts?
✅ DIN 1587 and ASTM certified products
✅ Mirror-polished stainless steel and corrosion-resistant finishes
✅ Safe edge protection – ideal for visible joints
✅ Used in automotive, public hardware, and high-vibration assemblies
✅ Available in brass, mild steel, and A4 marine-grade SS
✅ Bulk orders + Custom plating options available
Packaging and Delivery
Our dome nuts are professionally packed to maintain shine and avoid scratches:
Anti-scratch pouches or trays
Labeled plastic boxes or cartons
Barcoded bulk cartons with size + material info
International-grade shipping on demand
Industries We Serve
Our dome nuts are trusted across:
Furniture & Decor Manufacturing
Stainless Steel Railing & Glass Clamp Hardware
Bicycle & Motorcycle Assembly
Public Safety Fixtures (Railings, Benches, Playgrounds)
Electrical Covering & Enclosure Safety
Marine & Coastal Applications
Documents Supplied
With every order, we provide:
Test Certificate (TC / MTC 3.1)
Size & Material Declaration
Surface Finish Report (where applicable)
Packing Slip + QR Traceability (on request)
RoHS / REACH Compliance Certificate
Request a Quotation
Need bulk or custom Dome Nuts (Acorn Nuts)?
Contact us today:
📧 Email: susheel@smfastners.com
📞 Phone: +91 8968469570
💬 WhatsApp Chat: Click to Chat
SM Fasteners – Where Strength Meets Aesthetic Precision.