DIN934 304L Stainless Steel Hex Nut
DIN934 304L stainless steel hex nut is a high-quality metric fastening component designed for reliable locking, excellent corrosion resistance, and long-term structural stability in demanding industrial environments. The DIN934 304L stainless steel hex nut is widely used in chemical processing, marine engineering, food equipment, pharmaceutical machinery, construction, and OEM manufacturing systems where corrosion resistance and hygiene performance are critical.
Compared with standard 304 stainless steel, 304L stainless steel hex nuts DIN934 offer lower carbon content, improving weldability and reducing the risk of intergranular corrosion, making them ideal for highly corrosive or welded assemblies.

Product Overview
The DIN934 304L stainless steel hex nut is a standard metric hex nut designed according to DIN934 specifications, ensuring compatibility with global bolt systems. Its hexagonal shape allows easy tightening with standard tools, providing stable torque transmission and secure fastening.
This DIN934 304L stainless steel hex nut is especially suitable for environments where corrosion resistance and long service life are required, particularly in chloride-rich, acidic, or high-humidity conditions.
As a widely used industrial fastener, it plays a key role in mechanical assemblies, structural connections, and precision engineering systems.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN934 |
| Product Name | DIN934 304L Stainless Steel Hex Nut |
| Material | 304L Stainless Steel (Low Carbon) |
| Nut Type | Hex Nut |
| Thread Type | Metric Internal Thread |
| Size Range | M2–M64 |
| Surface Finish | Natural / Passivated / Polished |
| Strength Grade | A2-50 / A2-70 (optional equivalent) |
| Corrosion Resistance | High (better than standard 304 in welded environments) |
| Thread Tolerance | 6H Standard |
| Packaging | Carton / bag / OEM packaging |
| Customization | Size, finish, marking available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 500 MPa |
| Yield Strength | ≥ 210 MPa |
| Hardness | HV 150–220 |
| Density | 7.93 g/cm³ |
| Corrosion Resistance | Excellent (chemical & marine environments) |
| Operating Temperature | -50°C to 400°C |
| Weldability | Excellent (low carbon advantage) |
| Manufacturing Standard | DIN934 / ISO equivalent |
Materials and Manufacturing Process
The DIN934 304L stainless steel hex nut is manufactured using precision forming and machining processes to ensure dimensional accuracy and corrosion resistance.
- Raw material selection: 304L stainless steel wire rod
- Cold forging: Hex nut forming under high pressure
- Thread tapping: Precision internal thread processing
- Heat treatment (if required): Stress relief for stability
- Surface finishing: Passivation or polishing for corrosion resistance
- Cleaning: Oil-free and contamination-free treatment
- Inspection: Dimensional and thread accuracy testing
- Packaging: Anti-corrosion export packaging
Each DIN934 304L stainless steel hex nut is produced under strict ISO quality control standards.
Applications of the Product
DIN934 304L stainless steel hex nuts are widely used in:
- Chemical industry: Reactors, pipelines, and processing systems
- Marine engineering: Shipbuilding and offshore equipment
- Food processing: Hygienic machinery and production lines
- Pharmaceutical equipment: Cleanroom-grade installations
- Construction: Structural steel connections
- Industrial machinery: Corrosion-resistant assemblies
- Water treatment systems: Filtration and pipeline systems
- Energy systems: Renewable energy installations
Their corrosion resistance makes them ideal for aggressive environments.
Why Choose This Product
- Excellent corrosion resistance in harsh environments
- Low carbon 304L material reduces welding corrosion risk
- Stable mechanical performance for industrial use
- Compatible with DIN934 standard bolts
- Suitable for chemical and marine applications
- Long service life with minimal maintenance
- OEM customization available
- Wide size range for industrial applications
- Cost-effective stainless steel fastening solution
The DIN934 304L stainless steel hex nut ensures reliable performance in corrosive and welded systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in stainless steel and industrial fastening systems for global markets.
- Advanced cold forging production capability
- Stainless steel 304 / 304L / 316 expertise
- OEM customization for industrial applications
- Strict quality inspection and testing systems
- Global export experience in fastener manufacturing
- Engineering support for corrosion-critical projects
Flybear provides reliable fastening solutions for chemical, marine, food, and industrial sectors.
Quality Inspection and Control
Strict quality control ensures consistent performance:
- Raw material chemical composition analysis
- Dimensional inspection
- Thread gauge verification
- Hardness testing
- Corrosion resistance testing (salt spray)
- Surface passivation inspection
- Torque performance validation
- Packaging integrity inspection
All production follows ISO quality management standards.
Selection Guide
When selecting DIN934 304L stainless steel hex nuts, consider:
- Corrosion environment level (marine / chemical / food-grade)
- Welding requirements
- Size and thread compatibility
- Load and torque requirements
- Surface finish requirements
- Temperature conditions
Proper selection ensures long-term stability and safety.
FAQ
1. What is 304L stainless steel?
It is low-carbon 304 stainless steel with improved corrosion resistance and weldability.
2. What is DIN934?
DIN934 is the standard specification for metric hex nuts.
3. Is 304L better than 304?
304L is better for welded and highly corrosive environments.
4. Can it be used in seawater?
Yes, but 316 is preferred for extreme marine conditions.
5. Can custom sizes be produced?
Yes, Flybear supports full customization.
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.




