DIN933 Carbon Steel Dacromet Hex Bolt
DIN933 carbon steel Dacromet hex bolt is a high-performance corrosion-resistant fastening solution designed for harsh outdoor and industrial environments. The DIN933 carbon steel Dacromet hex bolt features a fully threaded hex head design combined with advanced Dacromet coating technology, providing excellent anti-corrosion performance, stable mechanical strength, and long service life.
The DIN933 carbon steel Dacromet hex bolt is widely used in automotive systems, wind power structures, bridge engineering, construction machinery, and heavy industrial equipment where long-term corrosion resistance is required without compromising strength.
Product Overview
The DIN933 carbon steel Dacromet hex bolt is engineered for demanding environments where traditional zinc plating is not sufficient. Dacromet coating provides superior resistance to salt spray, humidity, and chemical corrosion.
This DIN933 carbon steel Dacromet hex bolt is especially suitable for outdoor and high-corrosion applications such as marine environments, transportation systems, and energy infrastructure. Its fully threaded structure ensures strong engagement and reliable fastening performance.
As a premium industrial fastener, it combines high mechanical strength with advanced surface protection technology.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN933 |
| Product Name | DIN933 Carbon Steel Dacromet Hex Bolt |
| Material | Carbon Steel |
| Thread Type | Metric Full Thread |
| Head Type | Hex Head |
| Surface Finish | Dacromet Coating |
| Size Range | M5–M30 |
| Length Range | 10mm–200mm |
| Strength Grade | 4.8 / 8.8 / 10.9 |
| Corrosion Resistance | Very High (Dacromet protected) |
| Thread Direction | Right Hand |
| Packaging | Carton / pallet / OEM packaging |
| Customization | Size, coating thickness, marking available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | 400–1000 MPa (depending on grade) |
| Yield Strength | 320–900 MPa |
| Hardness | HV 200–320 |
| Density | 7.85 g/cm³ |
| Corrosion Resistance | Excellent (salt spray resistant > 500–1000h typical) |
| Operating Temperature | -50°C to 300°C |
| Thread Tolerance | 6g Standard |
| Manufacturing Standard | DIN933 / ISO equivalent |
Materials and Manufacturing Process
The DIN933 carbon steel Dacromet hex bolt is manufactured through controlled forging and advanced surface coating processes to ensure durability and corrosion resistance.
- Raw material selection: High-quality carbon steel wire rod
- Cold heading: Formation of hex head structure
- Thread rolling: Precision full-thread forming
- Heat treatment: Strength grade enhancement (8.8 / 10.9)
- Surface preparation: Cleaning and degreasing
- Dacromet coating: Zinc-aluminum flake coating application
- Curing process: High-temperature baking for coating stability
- Inspection: Dimensional and corrosion testing
- Packaging: Anti-corrosion export packaging
Each DIN933 carbon steel Dacromet hex bolt is produced under strict quality control for long-term performance.
Applications of the Product
DIN933 carbon steel Dacromet hex bolts are widely used in:
- Wind power systems: Tower and structural assemblies
- Automotive industry: Chassis and engine components
- Construction machinery: Heavy equipment fastening
- Bridge engineering: Structural steel connections
- Railway systems: Track and vehicle assemblies
- Marine-related equipment: Corrosion-exposed structures
- Industrial machinery: Outdoor equipment assemblies
- Energy infrastructure: Solar and wind installations
Their corrosion resistance makes them ideal for long-term outdoor use.
Why Choose This Product
- Excellent corrosion resistance with Dacromet coating
- High mechanical strength for structural applications
- Superior salt spray resistance compared to zinc plating
- Stable performance in harsh environments
- Fully threaded design for strong engagement
- Suitable for outdoor and marine applications
- Long service life with reduced maintenance
- OEM customization available
- Compatible with high-strength bolt systems
The DIN933 carbon steel Dacromet hex bolt ensures reliable fastening in extreme environmental conditions.
Why Choose Flybear
Flybear is a professional manufacturer specializing in high-performance industrial fasteners and advanced coating solutions.
- Advanced cold heading and heat treatment lines
- Dacromet and anti-corrosion coating expertise
- Stable mass production capability
- OEM customization for industrial projects
- Strict quality inspection and testing systems
- Global export experience in fastener industry
Flybear provides reliable fastening solutions for construction, energy, automotive, and industrial sectors.
Quality Inspection and Control
Strict quality control ensures consistent product performance:
- Raw material chemical composition testing
- Tensile and yield strength testing
- Dimensional accuracy inspection
- Thread gauge verification
- Coating thickness measurement
- Salt spray corrosion testing
- Torque performance testing
- Packaging integrity inspection
All production follows ISO quality management standards.
Selection Guide
When selecting DIN933 carbon steel Dacromet hex bolts, consider:
- Strength grade (4.8 / 8.8 / 10.9)
- Corrosion environment level
- Load and torque requirements
- Size and thread length
- Outdoor or marine exposure conditions
- Coating durability requirements
Proper selection ensures long-term structural safety.
FAQ
1. What is Dacromet coating?
It is a zinc-aluminum flake coating with high corrosion resistance.
2. Is Dacromet better than zinc plating?
Yes, it offers much higher salt spray resistance.
3. Can it be used outdoors?
Yes, it is ideal for outdoor and harsh environments.
4. What is DIN933?
DIN933 is a fully threaded hex bolt standard.
5. Can custom sizes be made?
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.
