DIN1587 Hex Domed Cap Nut
DIN1587 hex domed cap nut is a protective and decorative fastening component designed to cover exposed bolt ends while providing secure locking performance. The DIN1587 hex domed cap nut is widely used in mechanical assemblies, furniture hardware, automotive systems, construction equipment, and industrial machinery where both safety and appearance are important.
Available in multiple materials including brass, carbon steel, and stainless steel, the DIN1587 hex domed cap nut offers flexible performance options ranging from corrosion resistance to high mechanical strength. Its dome-shaped top prevents sharp thread exposure, improving safety and providing a clean finished appearance.
Product Overview
The DIN1587 hex domed cap nut is designed to protect exposed threads while maintaining strong fastening performance. Its closed-end dome structure prevents dust, moisture, and external damage from affecting the bolt end, extending service life.
This DIN1587 hex domed cap nut is widely used in visible assembly applications where aesthetics and safety are required. The hex base allows standard wrench installation, while the dome cap ensures a smooth surface finish after tightening.
As a versatile industrial fastener, it is commonly selected for OEM manufacturing, mechanical systems, and decorative structural assemblies.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN1587 |
| Product Name | DIN1587 Hex Domed Cap Nut |
| Material Options | Brass / Carbon Steel / Stainless Steel |
| Thread Type | Metric Internal Thread |
| Nut Type | Hex Domed Cap Nut (Acorn Nut) |
| Drive Type | External Hex |
| Size Range | M4–M30 |
| Surface Finish | Brass natural / Zinc plated / Polished / Passivated |
| Strength Grade | 4 / 6 / 8 (based on material) |
| Corrosion Resistance | High (stainless steel highest) |
| Packaging | Carton / Bag / OEM packaging |
| Customization | Material, size, coating, marking available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Brass: 300–500 MPa / Carbon Steel: 400–800 MPa / Stainless Steel: 500–700 MPa |
| Yield Strength | Varies by material grade |
| Hardness | HV 100–300 (material dependent) |
| Density | Brass: 8.5 g/cm³ / Steel: 7.85 g/cm³ |
| Corrosion Resistance | Brass: good / Carbon steel: moderate / Stainless steel: excellent |
| Operating Temperature | -50°C to 300°C |
| Thread Tolerance | 6H Standard |
| Manufacturing Standard | DIN1587 / ISO equivalent |
Materials and Manufacturing Process
The DIN1587 hex domed cap nut is manufactured using precision forming and machining processes depending on material selection.
- Raw material selection: Brass rod, carbon steel wire, or stainless steel bar
- Cold forging: Formation of hex nut base structure
- CNC machining (optional): Precision shaping of dome structure
- Thread tapping: Internal metric threading
- Heat treatment (carbon steel only): Enhances strength grade
- Surface finishing: Polishing, zinc plating, or passivation
- Cleaning: Oil and debris removal
- Inspection: Dimensional and appearance quality check
- Packaging: Protective export packaging
Each DIN1587 hex domed cap nut is designed to ensure stable thread engagement and smooth dome finish quality.
Applications of the Product
DIN1587 hex domed cap nuts are widely used in:
- Furniture manufacturing: Decorative fastening applications
- Automotive: Wheel, chassis, and interior assemblies
- Machinery: Safety covering of exposed bolt ends
- Construction: Structural decorative installations
- Electrical equipment: Protective terminal fasteners
- Rail and transport systems: Anti-injury threaded protection
- Industrial equipment: Machine covers and housing assemblies
- Marine applications: Corrosion-resistant fastening systems
Their dome design improves both safety and visual appearance.
Why Choose This Product
- Covers exposed bolt threads for safety protection
- Decorative dome finish improves product appearance
- Available in brass, carbon steel, and stainless steel
- Strong compatibility with standard hex bolts
- Corrosion-resistant options for harsh environments
- Suitable for OEM and industrial production
- Multiple strength grades available
- Easy installation with standard tools
- Widely used international standard (DIN1587)
The DIN1587 hex domed cap nut provides both functional safety and aesthetic value in fastening systems.
Why Choose Flybear
Flybear is a professional manufacturer of industrial fasteners providing multi-material fastening solutions for global customers.
- Advanced cold forging and machining production capability
- Strong OEM customization support
- Multi-material manufacturing (steel, stainless steel, brass)
- Strict quality inspection and control system
- Global export experience in fastener industry
- Engineering support for application selection
Flybear delivers reliable fastening solutions for industrial, mechanical, and decorative applications.
Quality Inspection and Control
Quality assurance ensures consistent product performance:
- Raw material chemical composition testing
- Dimensional inspection of hex and dome geometry
- Thread gauge accuracy testing
- Surface finish and polishing inspection
- Corrosion resistance testing (salt spray for steel types)
- Hardness testing (carbon steel variants)
- Packaging integrity inspection
All production follows ISO quality management standards.
Selection Guide
When selecting DIN1587 hex domed cap nuts, consider:
- Material type (brass / carbon steel / stainless steel)
- Corrosion resistance requirements
- Load and torque conditions
- Environmental exposure (indoor/outdoor/marine)
- Appearance requirements
- Thread size compatibility
Proper selection ensures durability, safety, and aesthetic performance.
FAQ
1. What is DIN1587 used for?
It is used to cover bolt ends and provide safety and decorative finishing.
2. What is another name for cap nut?
It is also called an acorn nut or dome nut.
3. Which material is best?
Stainless steel offers the best corrosion resistance; brass is ideal for decorative use.
4. Can it be reused?
Yes, as long as threads are not damaged.
5. Can custom materials and sizes be produced?
Yes, Flybear supports full customization for industrial requirements.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
