DIN912 304 Stainless Steel Socket Head Cap Screw
The DIN912 304 Stainless Steel Socket Head Cap Screw is a high-strength precision fastening component widely used in mechanical assemblies that require reliable clamping force and compact installation space. As a core industrial fastener, the DIN912 304 Stainless Steel Socket Head Cap Screw provides excellent mechanical stability, corrosion resistance, and consistent torque performance in demanding engineering applications.

In modern manufacturing systems, the DIN912 304 Stainless Steel Socket Head Cap Screw is widely adopted in machinery, automotive structures, and OEM equipment. Compared with standard hex head bolt designs, this socket head cap screw allows installation in confined spaces while maintaining high preload capability. It is a preferred solution for engineers working with stainless steel fasteners, precision assemblies, and high-load mechanical connections.
Product Overview
The DIN912 304 Stainless Steel Socket Head Cap Screw is manufactured according to DIN912 standards, ensuring strict dimensional accuracy and mechanical reliability. Made from high-quality 304 stainless steel, it delivers strong resistance to rust, oxidation, and general corrosion, making it suitable for both indoor and outdoor environments.
The DIN912 304 Stainless Steel Socket Head Cap Screw features a cylindrical head with an internal hex drive, enabling efficient torque application and secure tightening. It is widely used in assemblies requiring strong preload and vibration resistance.
As a key component of OEM fasteners and industrial fastening systems, the DIN912 304 Stainless Steel Socket Head Cap Screw ensures structural integrity in precision engineering applications.
Product Specifications
| Item | Specification |
|---|---|
| Standard | DIN912 |
| Product Name | DIN912 304 Stainless Steel Socket Head Cap Screw |
| Material | 304 Stainless Steel |
| Thread Type | Metric Full Thread / Partial Thread |
| Head Type | Socket Head (Hex Socket) |
| Drive Type | Internal Hex (Allen Key) |
| Diameter Range | M2 – M36 |
| Length Range | 5 mm – 200 mm |
| Surface Finish | Natural Stainless Steel |
| Strength Grade | A2-70 / A2-50 |
| Thread Direction | Right Hand |
| Packaging | Box / Bulk / OEM Packaging |
| Customization | Available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 700 MPa (A2-70) |
| Yield Strength | ≥ 450 MPa |
| Hardness | 20–30 HRC |
| Density | 7.93 g/cm³ |
| Corrosion Resistance | Excellent (General Industrial Environment) |
| Operating Temperature | -50°C to 300°C |
| Thread Tolerance | ISO Metric Class 6g |
| Manufacturing Standard | DIN912 / ISO Equivalent |
Materials and Manufacturing Process
The DIN912 304 Stainless Steel Socket Head Cap Screw is produced through a controlled industrial process to ensure high strength and dimensional precision.
- Raw material selection: Premium 304 stainless steel wire rod
- Cold heading: Formation of screw head structure
- Thread rolling: High-precision metric thread formation
- Heat treatment: Improves tensile strength and hardness
- CNC finishing: Ensures dimensional accuracy
- Surface finishing: Maintains corrosion-resistant natural finish
- Cleaning process: Removes oil and debris
- Inspection: Full mechanical and dimensional testing
- Packaging: Export-grade protective packaging
This manufacturing process ensures the DIN912 304 Stainless Steel Socket Head Cap Screw meets strict requirements for industrial fasteners and precision assembly systems.
Applications of the Product
The DIN912 304 Stainless Steel Socket Head Cap Screw is widely used across multiple industries due to its strength and compact design:
- Machinery manufacturing: Equipment assembly and structural fastening
- Automotive industry: Engine components and chassis systems
- Construction equipment: Heavy-duty mechanical structures
- Renewable energy: Wind and solar mounting systems
- Petrochemical industry: Corrosion-resistant equipment assembly
- Marine engineering: Saltwater-resistant mechanical connections
- Industrial automation: Robotics and precision machinery
- Electrical equipment: Motor and housing assembly
- General manufacturing: OEM mechanical systems
Its compact design makes it more suitable for confined spaces compared to traditional hex head bolt solutions.
Why Choose This Product
- High-strength 304 stainless steel material
- Excellent corrosion resistance performance
- Compact internal hex drive design
- Strong torque and preload capability
- Stable performance under vibration
- Long service life in industrial environments
- OEM and bulk production support
- Wide range of sizes available
- Fast international delivery capability
Why Choose Flybear
Flybear is a professional manufacturer specializing in high-quality industrial fastening solutions.
- Advanced cold heading and threading production lines
- Strict ISO-based quality control system
- Strong OEM customization capabilities
- Stable inventory and fast delivery support
- Global export experience in industrial markets
- Engineering technical support for applications
Flybear provides reliable industrial fasteners and precision components for global engineering industries.
Quality Inspection and Control
Each DIN912 304 Stainless Steel Socket Head Cap Screw undergoes strict quality testing:
- Chemical composition analysis
- Tensile strength testing
- Hardness testing
- Thread gauge inspection
- Dimensional accuracy measurement
- Torque performance testing
- Surface defect inspection
- Salt spray corrosion testing
- Packaging quality inspection
All processes follow ISO quality management standards to ensure consistent performance.
Selection Guide
When selecting a DIN912 304 Stainless Steel Socket Head Cap Screw, engineers should consider:
- Thread diameter and pitch
- Required strength grade (A2-50 / A2-70)
- Load and torque requirements
- Environmental corrosion conditions
- Assembly space limitations
- Length and engagement depth
Proper selection ensures safe and stable mechanical performance.
FAQ
1. What is DIN912?
DIN912 is a standard for socket head cap screws with internal hex drive used in mechanical assemblies.
2. What is the advantage of socket head cap screws?
They provide high strength and are suitable for tight installation spaces.
3. Is 304 stainless steel rust resistant?
Yes, 304 stainless steel offers excellent resistance to corrosion in most environments.
4. Can custom sizes be produced?
Yes, Flybear supports OEM customization based on drawings or requirements.
5. How to request a quotation?
You can contact us with size, quantity, and application details for fast response.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
For quotation, customization, and technical support, please Contact Us.




