DIN933 Zinc Plated Carbon Steel Hex Bolt
DIN933 zinc plated carbon steel hex bolt is a high-strength full-thread fastening solution designed for structural connections, industrial machinery, and general engineering applications. The DIN933 zinc plated carbon steel hex bolt is manufactured according to the DIN933 standard, featuring a fully threaded shank and hexagonal head for secure tightening and excellent load distribution.
The DIN933 zinc plated carbon steel hex bolt is widely used in construction, machinery manufacturing, automotive systems, steel structures, renewable energy projects, agricultural equipment, and OEM manufacturing. The zinc-plated finish provides effective corrosion protection for indoor and moderately corrosive outdoor environments, making it one of the most commonly used industrial fasteners worldwide.
Product Overview
The DIN933 zinc plated carbon steel hex bolt is engineered to deliver reliable fastening performance under static and dynamic loads. Its full-thread design provides maximum thread engagement, making it suitable for applications requiring adjustable clamping length and secure fastening.
Manufactured from premium carbon steel and available in multiple strength grades, this DIN933 zinc plated carbon steel hex bolt offers an excellent balance between mechanical strength, corrosion resistance, and cost efficiency. It is compatible with standard DIN934 hex nuts and various washers, making it ideal for OEM fasteners and industrial assembly systems.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN933 |
| Product Name | DIN933 Zinc Plated Carbon Steel Hex Bolt |
| Material | Carbon Steel |
| Thread Type | Metric Full Thread |
| Head Type | Hex Head |
| Drive Type | External Hex |
| Diameter Range | M4–M64 |
| Length Range | 8mm–300mm |
| Surface Finish | Blue White Zinc Plated / Yellow Zinc Plated |
| Strength Grade | 4.8 / 8.8 / 10.9 / 12.9 |
| Thread Direction | Right Hand |
| Packaging | Carton, Bag, Pallet, OEM Packaging |
| Customization | Size, thread, strength grade, coating, marking, packaging |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | Grade 4.8: ≥400 MPa; Grade 8.8: ≥800 MPa; Grade 10.9: ≥1,040 MPa; Grade 12.9: ≥1,220 MPa |
| Yield Strength | Grade 4.8: ≥320 MPa; Grade 8.8: ≥640 MPa; Grade 10.9: ≥940 MPa; Grade 12.9: ≥1,100 MPa |
| Hardness | HRC 20–39 (depending on strength grade) |
| Density | 7.85 g/cm³ |
| Corrosion Resistance | Moderate (enhanced by zinc plating) |
| Operating Temperature | -50°C to 300°C |
| Thread Tolerance | 6g |
| Manufacturing Standard | DIN933 / ISO 4017 |
Materials and Manufacturing Process
The DIN933 zinc plated carbon steel hex bolt is produced using advanced manufacturing technology to ensure consistent quality, dimensional precision, and mechanical reliability.
- Premium carbon steel wire rod selection
- Cold forging for hex head formation
- Hot forging for large-diameter bolts when applicable
- CNC machining for special specifications
- Precision thread rolling to improve fatigue strength
- Heat treatment to achieve Grade 8.8, 10.9, or 12.9 mechanical properties
- Electro-zinc plating with blue white or yellow passivation
- Cleaning and anti-rust treatment
- Comprehensive dimensional, thread, hardness, and coating inspection
- Export-grade packaging for global transportation
Every DIN933 zinc plated carbon steel hex bolt is manufactured under strict ISO quality management standards to ensure reliable performance in industrial applications.
Applications of the Product
DIN933 zinc plated carbon steel hex bolts are widely used in:
- Construction and steel structures
- Industrial machinery
- Automotive manufacturing
- Renewable energy equipment
- Petrochemical facilities
- Marine equipment (protected environments)
- Food processing equipment (non-contact structural parts)
- Industrial equipment
- Manufacturing systems
- Agricultural machinery
The full-thread design provides excellent versatility for structural and mechanical fastening applications.
Why Choose This Product
- Premium carbon steel material
- Manufactured according to DIN933 international standard
- Full-thread design for maximum engagement
- High precision manufacturing
- Zinc plating improves corrosion resistance
- Stable mechanical performance
- Long service life
- Bulk supply capability
- OEM and ODM customization support
- Fast delivery for global customers
The DIN933 zinc plated carbon steel hex bolt provides dependable fastening performance for demanding industrial applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
Our advantages include:
- Advanced cold forging and thread rolling production lines
- Strong inventory and manufacturing capacity
- Custom production according to drawings and specifications
- Professional engineering support
- Global supply capability
- Strict ISO quality management system
- Extensive export experience
- Comprehensive technical consultation
Flybear delivers reliable fastening products for OEM manufacturers, EPC contractors, distributors, and industrial buyers worldwide.
Quality Inspection and Control
Every production batch undergoes strict inspection, including:
- Chemical composition analysis
- Tensile testing
- Yield strength verification
- Hardness testing
- Salt spray corrosion testing
- Thread gauge inspection
- Dimensional inspection
- Surface coating inspection
- Packaging inspection
All manufacturing processes comply with ISO quality management standards to ensure consistent quality and reliable industrial performance.
Selection Guide
When selecting a DIN933 zinc plated carbon steel hex bolt, consider:
- Material type
- Strength grade (4.8, 8.8, 10.9, or 12.9)
- Bolt diameter and length
- Required clamping force
- Indoor or outdoor application
- Corrosion level
- Matching nuts and washers
- Industry standards and engineering requirements
Proper selection improves assembly reliability, service life, and operational safety.
FAQ
1. What is DIN933?
DIN933 is the international standard for fully threaded hex head bolts.
2. What is the difference between DIN933 and DIN931?
DIN933 is fully threaded, while DIN931 has a partially threaded shank.
3. Is zinc plating corrosion resistant?
Yes. Zinc plating provides effective protection for indoor and moderately corrosive outdoor environments.
4. Can custom sizes be produced?
Yes. Flybear supports customized dimensions, coatings, strength grades, markings, and packaging.
5. How can I request a quotation?
Please provide the bolt size, strength grade, surface finish, quantity, and any drawings or technical requirements.
The DIN933 zinc plated carbon steel hex bolt is a dependable solution for industrial fastening, offering high strength, corrosion resistance, and precision manufacturing for a wide range of 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.
