DIN933 304L Stainless Steel Hex Bolt
DIN933 304L stainless steel hex bolt is a premium full-thread fastening solution designed for applications requiring excellent corrosion resistance, superior weldability, and reliable mechanical performance. The DIN933 304L stainless steel hex bolt is manufactured according to the DIN933 standard and features a fully threaded shank with a hexagonal head for secure installation and maximum thread engagement.
Compared with standard 304 stainless steel, the DIN933 304L stainless steel hex bolt contains lower carbon content, significantly reducing the risk of intergranular corrosion after welding. It is widely used in chemical processing, marine engineering, food processing equipment, pharmaceutical systems, water treatment facilities, construction, and OEM manufacturing where corrosion resistance and long-term durability are essential.
Product Overview
The DIN933 304L stainless steel hex bolt is engineered to deliver dependable fastening performance in corrosive and humid environments. Its full-thread design provides greater flexibility for different clamping lengths and ensures secure fastening in structural and mechanical assemblies.
Manufactured from high-quality 304L stainless steel, this DIN933 304L stainless steel hex bolt offers excellent resistance to oxidation, moisture, and many industrial chemicals. It is especially suitable for welded structures where low-carbon stainless steel helps prevent sensitization and corrosion around welded joints.
As one of the most widely used industrial fasteners, this stainless steel hex bolt is an ideal choice for OEM fasteners, industrial equipment, and engineering projects worldwide.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN933 |
| Product Name | DIN933 304L Stainless Steel Hex Bolt |
| Material | 304L Stainless Steel |
| Thread Type | Metric Full Thread |
| Head Type | Hex Head |
| Drive Type | External Hex |
| Diameter Range | M4–M64 |
| Length Range | 8mm–300mm |
| Surface Finish | Natural Stainless Steel |
| Strength Grade | A2-50 / A2-70 (depending on processing requirements) |
| Thread Direction | Right Hand |
| Packaging | Carton, Bag, Pallet, OEM Packaging |
| Customization | Size, thread, marking, packaging, special dimensions |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥500 MPa (A2-50) / ≥700 MPa (A2-70) |
| Yield Strength | ≥210 MPa / ≥450 MPa |
| Hardness | HV 150–250 |
| Density | 7.93 g/cm³ |
| Corrosion Resistance | Excellent in humid, chemical, and marine environments |
| Operating Temperature | -196°C to 400°C |
| Thread Tolerance | 6g |
| Manufacturing Standard | DIN933 / ISO 4017 |
Materials and Manufacturing Process
The DIN933 304L stainless steel hex bolt is manufactured using precision production technology to ensure outstanding corrosion resistance and dimensional accuracy.
- Premium 304L stainless steel wire rod selection
- Cold heading for hex head formation
- Hot forging for large-diameter bolts when applicable
- Precision CNC machining for custom specifications
- Thread rolling to improve fatigue resistance and thread accuracy
- Solution treatment when required to optimize material performance
- Surface passivation and cleaning to enhance corrosion resistance
- Ultrasonic cleaning to remove production residues
- Comprehensive dimensional, thread, and mechanical inspections
- Export-grade packaging for global transportation
Each DIN933 304L stainless steel hex bolt is manufactured under strict quality management procedures to ensure stable quality and consistent performance.
Applications of the Product
DIN933 304L stainless steel hex bolts are widely used in:
- Construction and structural engineering
- Machinery manufacturing
- Automotive equipment
- Renewable energy systems
- Petrochemical facilities
- Marine engineering
- Food processing equipment
- Pharmaceutical production systems
- Industrial equipment
- Manufacturing systems
- Water treatment facilities
- OEM engineering projects
The excellent corrosion resistance and full-thread design make this 304L stainless steel bolt ideal for demanding industrial environments.
Why Choose This Product
- Premium low-carbon 304L stainless steel
- Manufactured according to DIN933 international standard
- Excellent corrosion resistance
- Superior weldability compared with standard 304
- Full-thread design for maximum fastening flexibility
- Stable mechanical performance
- Long service life
- Bulk supply capability
- OEM and ODM customization support
- Fast delivery for global industrial customers
The DIN933 304L stainless steel hex bolt delivers dependable fastening performance for critical engineering applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in stainless steel fasteners and industrial fastening solutions.
Our advantages include:
- Advanced cold heading and thread rolling production lines
- Extensive inventory and flexible manufacturing capacity
- OEM and custom production according to drawings
- Professional engineering and application support
- Global supply capability for industrial customers
- Strict ISO quality management system
- Rich export experience across multiple industries
- Comprehensive technical consultation and after-sales service
Flybear provides reliable fastening solutions for OEM manufacturers, EPC contractors, distributors, and industrial buyers worldwide.
Quality Inspection and Control
Every production batch undergoes comprehensive quality inspection, including:
- Chemical composition analysis
- Tensile strength testing
- Hardness testing
- Salt spray corrosion testing
- Thread gauge inspection
- Dimensional inspection
- Surface finish inspection
- Passivation quality inspection
- Packaging inspection
All products are manufactured in compliance with ISO quality management standards to ensure consistent industrial quality.
Selection Guide
When selecting a DIN933 304L stainless steel hex bolt, consider:
- Stainless steel grade (304L or other options)
- Bolt diameter and length
- Required load capacity
- Indoor or outdoor operating environment
- Corrosion exposure level
- Welding requirements
- Matching nuts and washers
- Engineering standards and project specifications
Proper selection ensures maximum service life and reliable fastening performance.
FAQ
1. What is DIN933?
DIN933 is the international standard for fully threaded hex head bolts.
2. What is the difference between 304 and 304L stainless steel?
304L has lower carbon content, offering better weldability and improved resistance to intergranular corrosion after welding.
3. Is 304L stainless steel rust resistant?
Yes. It provides excellent corrosion resistance in most industrial, food processing, and outdoor environments.
4. Can custom sizes be produced?
Yes. Flybear offers OEM and ODM manufacturing for customized dimensions, thread specifications, markings, and packaging.
5. How can I request a quotation?
Please send the required size, quantity, material specification, drawings (if available), and packaging requirements for a fast quotation.
The DIN933 304L stainless steel hex bolt combines outstanding corrosion resistance, precision manufacturing, and dependable fastening performance, making it an ideal solution for industrial and engineering applications.
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 quotations, customization, and technical support, please Contact Us.
