Carbon Steel Grade 10HV High-Strength Hexagon Nuts DIN6915
High-Strength Hexagon Nuts are essential components in structural and industrial applications requiring exceptional tensile strength and load resistance. As per DIN6915 standards, these heavy-duty nuts are ideal for maintaining joint integrity in high-stress environments. These nuts conform to benchmark quality and performance metrics, featuring carbon steel construction and a hardness grade of 10HV, providing outstanding shear resistance and tensile capability.
At Flybear Fastener, we offer precision-engineered DIN 6915 High-Strength Hexagon Nuts that meet the rigorous standards of global construction and industrial markets.
Product Overview
The DIN6915 High-Strength Hexagon Nut is a component widely used in conjunction with high-strength bolts for bolted connections in steel structures. Developed mainly for use in steel construction, bridge building, wind energy projects, and heavy equipment assemblies, this fastening solution guarantees severe structural reliability in static and dynamic load conditions.
These hexagonal nuts are manufactured using high-grade carbon steel to deliver a superior blend of strength, hardness, and durability. With an assigned property class of 10HV, they match perfectly with bolts of property classes 10.9 and higher.
Product Specification Table
| Specification | Details |
|---|---|
| Product Name | High-Strength Hexagon Nut |
| Standard | DIN 6915 |
| Material | Carbon Steel |
| Property Class | 10HV |
| Coating | Plain / Black Oxide / HDG |
| Thread Type | Metric ISO |
| Nut Type | Hexagon |
| Sizes Available | M12 – M36 |
| Tolerance | ISO 4759-1 |
| Compliance | EN 14399-4 |
Technical Parameters Table
| Parameter | Value |
|---|---|
| Proof Load | ≥ 970 MPa |
| Tensile Strength | ≥ 1040 MPa |
| Hardness | 321 – 375 HV |
| Operating Temperature | up to 300°C |
| Torque Tolerance | ± 5% |
| Thread Pitch Accuracy | Class 6g/6H |
| Coefficient of Friction | 0.10 – 0.18 (with coating) |
Materials & Manufacturing Process
DIN 6915 Hexagon Nuts are made using premium-grade carbon steel, selected for its mechanical strength and heat treatment compatibility. The production process includes precision forging, CNC machining, thread rolling, and heat treatment to achieve the specified 10HV property class.
Advanced surface treatments such as hot-dip galvanizing, black oxide coating, and plain finish ensure resistance to corrosion and wear — suitable for harsh environmental use.
Manufacturing Workflow:
- Raw Material Inspection
- Cold/Hot Forging
- Machining
- Thread Rolling
- Heat Treatment
- Surface Coating
- Quality Control
- Packing & Logistics
Common Industries and Applications
DIN 6915 High-Strength Nuts are widely used across industries where secure heavy-load fastening is required:
- Steel Structure Buildings
- Wind Turbine Towers
- Railway and Highway Bridges
- Shipbuilding and Offshore Platforms
- Mining Equipment
- Industrial Machinery Installations
- Oil & Gas Pipelines
Their performance under vibration, heavy torque, and environmental stress make them indispensable in these scenarios.
Product Features & Competitive Advantages
- Premium Carbon Steel Construction: Delivers high mechanical performance and fatigue resistance.
- Grade 10HV Precision: Meets global standards for heavy-duty applications.
- Surface Protection: Available with different coatings like HDG for corrosion resistance.
- Customization Potential: Can be tailored in size, threading, and coatings.
- Warehousing & Fast Delivery: We maintain stock for high-demand sizes.
- Responsive After-Sales Support: Technical consultation and custom quoting available on request.
With precision threading and strict tolerance control, Flybear Fastener ensures each hex nut achieves perfect load distribution without thread deformation.
In-House Testing & Quality Control
Each batch undergoes:
- Raw Material Analysis
- Tensile Testing
- Hardness Testing
- Thread and Dimensional Inspection
- Salt Spray Testing (for coated products)
This guarantees durability, fitting precision, and adherence to international quality norms.
Sizing & Buying Guide
When selecting High-Strength Hex Nuts, consider:
- Matching Bolt Grade (≥ 10.9)
- Application-Specific Surface Treatment
- Correct Metric Threading
- Preload and Torque Requirements
Feel free to contact us for expert recommendations or to request a tailored quote.
Additional Product Insight
These hex nuts are often paired with DIN 6914 bolts and DIN 6916 washers to form a complete preloaded bolt set used in structural steel connections. Preload capability, proper torque application, and bolt-nut compatibility are critical for performance and safety.
They are compatible with structural CAP assemblies and commonly used in bolted fatigue-resistant joints where preload is essential.
Conclusion & Corporate Message
At Flybear Fastener, we consistently deliver high-quality fastener products built to meet your complex project demands. We support OEM customization, timely delivery, and global sourcing flexibility. We also offer industry-specific solutions that improve construction reliability and operational efficiency.
We always uphold the principle of “Quality First, Customer Foremost”, committed to offering our clients high-quality fastener products and one-stop fastening solutions. Browse our site to discover more fastening systems or contact us now to get solutions and competitive quotations!
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