Stainless Steel Double End Stud Bolt
Stainless steel double end stud bolt is a high-strength fastening component designed with external threads on both ends, used for joining flanged connections, mechanical assemblies, and equipment structures requiring high reliability and easy maintenance. The stainless steel double end stud bolt is widely applied in petrochemical systems, pressure vessels, pipeline flanges, marine engineering, power plants, and industrial machinery.
With its dual-thread design, the stainless steel double end stud bolt allows one end to be fixed into a tapped hole while the other end secures with a nut, ensuring stable clamping force and easy disassembly during maintenance.
Product Overview
The stainless steel double end stud bolt is engineered for high-strength flange and structural connections where repeated disassembly and reassembly are required. Unlike standard bolts, it eliminates head structures, allowing uniform stress distribution across connected components.
This stainless steel double end stud bolt is especially suitable for high-temperature, high-pressure, and corrosive environments where reliability and sealing performance are critical.
As a widely used industrial fastener, it ensures secure fastening in critical engineering systems.
Product Specifications
| Item | Description |
|---|---|
| Product Name | Stainless Steel Double End Stud Bolt |
| Material | Stainless Steel (304 / 304L / 316 / 316L) |
| Structure | Double End Threaded Rod |
| Thread Type | Metric Coarse / Fine Thread |
| Size Range | M6–M64 |
| Length Range | 20mm–500mm |
| Surface Finish | Natural / Polished / Passivated |
| Corrosion Resistance | High (316/316L best for marine use) |
| Thread Tolerance | 6g / 6H Standard |
| Packaging | Bulk / carton / OEM packaging |
| Customization | Size, material grade, thread length available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 500–800 MPa (304/316 depending on grade) |
| Yield Strength | 200–600 MPa |
| Hardness | HV 150–300 |
| Density | 7.93 g/cm³ |
| Corrosion Resistance | High (excellent in marine and chemical environments) |
| Operating Temperature | -50°C to 400°C |
| Fatigue Resistance | High |
| Manufacturing Standard | DIN 938 / DIN 939 / ISO equivalent |
Materials and Manufacturing Process
The stainless steel double end stud bolt is manufactured using precision cold forming and threading processes to ensure consistent mechanical performance.
- Raw material selection: Stainless steel bar (304 / 316 / 316L)
- Cutting: Precision bar cutting to required length
- Thread rolling: External thread forming on both ends
- Heat treatment (if required): Stress relief for stability
- Surface finishing: Polishing or passivation for corrosion resistance
- Straightness correction: Ensures installation accuracy
- Inspection: Dimensional and thread gauge testing
- Packaging: Protective export packaging
Each stainless steel double end stud bolt is produced under strict ISO quality control.
Applications of the Product
Stainless steel double end stud bolts are widely used in:
- Petrochemical industry: Pipeline flange connections
- Pressure vessels: High-pressure sealing systems
- Marine engineering: Shipbuilding and offshore platforms
- Power plants: Boiler and turbine assemblies
- Industrial machinery: Heavy-duty structural joints
- Water treatment systems: Corrosion-resistant piping systems
- Construction equipment: Structural flange connections
- Energy systems: Refinery and gas pipeline systems
Their design ensures strong clamping force and easy maintenance.
Why Choose This Product
- Double-end thread design for flexible installation
- Excellent corrosion resistance in harsh environments
- Suitable for high-pressure flange systems
- Easy disassembly and maintenance
- Available in multiple stainless steel grades
- High strength and stable clamping performance
- Wide size range for industrial use
- OEM customization available
- Compatible with international standards
The stainless steel double end stud bolt ensures reliable sealing and structural integrity in critical systems.
Why Choose Flybear
Flybear is a professional manufacturer specializing in stainless steel fastening systems for global industrial applications.
- Advanced threading and machining capability
- Stainless steel 304 / 316 / 316L expertise
- OEM customization for industrial projects
- Strict quality inspection and testing systems
- Global export experience in fastener manufacturing
- Engineering support for critical applications
Flybear provides reliable fastening solutions for petrochemical, marine, power, and industrial sectors.
Quality Inspection and Control
Strict quality control ensures consistent performance:
- Raw material chemical composition testing
- Tensile and yield strength testing
- Thread accuracy inspection
- Straightness and dimensional checks
- Surface corrosion resistance testing
- Hardness testing
- Packaging integrity inspection
- Torque and fit verification
All production follows ISO quality management standards.
Selection Guide
When selecting stainless steel double end stud bolts, consider:
- Stainless steel grade (304 / 316 / 316L)
- Working environment (marine / chemical / high-temp)
- Load and sealing requirements
- Thread length on each end
- Installation method (blind hole or through connection)
- Corrosion resistance level
Proper selection ensures long-term sealing and safety.
FAQ
1. What is a double end stud bolt used for?
It is used for flange and structural connections requiring strong clamping force.
2. What is the advantage over standard bolts?
It allows better load distribution and easier maintenance.
3. Which material is best for marine use?
316 or 316L stainless steel is recommended.
4. Can it be reused?
Yes, if threads are not damaged.
5. Can custom lengths 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.
