DIN933 316 Stainless Steel Hexagon Bolt
The DIN933 316 stainless steel hexagon bolt is a high-strength full-thread fastening component designed for demanding industrial environments requiring superior corrosion resistance and mechanical stability. As a premium industrial fastener, the DIN933 316 stainless steel hexagon bolt is widely used in marine engineering, chemical processing, construction, and heavy machinery applications where long-term reliability is essential.
Compared with standard stainless steel hex bolt or lower-grade stainless steel fasteners, the DIN933 316 stainless steel hexagon bolt offers significantly improved resistance to chloride corrosion, making it ideal for seawater and aggressive chemical environments. It is a core component in OEM fastening systems requiring durability, precision, and consistent preload performance.

Product Overview
The DIN933 316 stainless steel hexagon bolt is manufactured according to DIN933 standards, ensuring full-thread geometry, dimensional accuracy, and reliable mechanical performance. Made from high-quality 316 stainless steel, it delivers excellent resistance to rust, pitting corrosion, and oxidation.
The full-thread design of the DIN933 316 stainless steel hexagon bolt allows maximum engagement with nuts and threaded components, improving clamping force and structural stability. It is widely used in industrial assembly systems where vibration resistance and long service life are required.
As part of OEM fasteners and stainless steel fasteners systems, the DIN933 316 stainless steel hexagon bolt is a critical element in corrosion-resistant mechanical structures.
Product Specifications
| Item | Specification |
|---|---|
| Standard | din933 |
| Product Name | din933 316 stainless steel hexagon bolt |
| Material | 316 stainless steel |
| Thread Type | metric full thread |
| Head Type | hexagon head |
| Drive Type | external hex |
| Diameter Range | m3 – m64 |
| Length Range | 6 mm – 300 mm |
| Surface Finish | natural stainless steel |
| Strength Grade | a4-70 / a4-80 |
| Thread Direction | right hand |
| Packaging | box / bulk / oem packaging |
| Customization | available |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 600–800 mpa |
| Yield Strength | ≥ 300–600 mpa |
| Hardness | 80–110 hrb |
| Density | 8.0 g/cm³ |
| Corrosion Resistance | excellent (marine & chemical environments) |
| Operating Temperature | -60°c to 400°c |
| Thread Tolerance | iso metric class 6g |
| Manufacturing Standard | din933 / iso equivalent |
Materials and Manufacturing Process
The DIN933 316 stainless steel hexagon bolt is produced through a controlled manufacturing process designed to ensure strength and corrosion resistance.
- raw material selection: premium 316 stainless steel wire rod
- cold heading: forming hexagon head structure
- thread rolling: high-precision full-thread formation
- heat treatment: improves mechanical strength and fatigue resistance
- surface finishing: maintains corrosion-resistant natural surface
- cleaning process: removes oil and contaminants
- inspection: dimensional and mechanical testing
- packaging: export-grade protective packaging
This process ensures consistent quality for industrial fasteners used in critical applications.
Applications of the Product
The DIN933 316 stainless steel hexagon bolt is widely used across multiple industries:
- marine engineering: shipbuilding and offshore platforms
- petrochemical industry: corrosion-resistant piping systems
- construction engineering: structural steel connections
- automotive systems: exposed and high-corrosion environments
- renewable energy: offshore wind and solar systems
- food processing equipment: hygienic stainless assemblies
- chemical industry: acid and chloride exposure systems
- industrial machinery: heavy-duty assembly systems
- OEM manufacturing: precision mass production systems
Its corrosion resistance makes it superior to standard DIN933 bolt products in harsh environments.
Why Choose This Product
- high-grade 316 stainless steel material
- excellent chloride and marine corrosion resistance
- full-thread design for maximum grip strength
- stable mechanical performance under load
- long service life in harsh environments
- compatible with standard metric fastening systems
- suitable for OEM bulk production
- reliable vibration resistance performance
- wide industrial application range
Why Choose Flybear
Flybear is a professional manufacturer specializing in high-quality industrial fastening solutions.
- advanced cold heading and thread rolling production lines
- strict iso-based quality control system
- strong oem customization capability
- stable mass production and inventory support
- global export experience
- engineering technical support
Flybear provides reliable industrial fasteners and complete fastening solutions for global industries.
Quality Inspection and Control
Each DIN933 316 stainless steel hexagon bolt undergoes strict inspection:
- chemical composition analysis
- tensile strength testing
- hardness testing
- thread gauge inspection
- dimensional accuracy measurement
- corrosion resistance (salt spray) testing
- surface defect inspection
- packaging quality inspection
All processes follow iso quality management standards to ensure stable performance.
Selection Guide
When selecting a DIN933 316 stainless steel hexagon bolt, consider:
- environmental corrosion level (marine / chemical exposure)
- required strength grade (a4-70 / a4-80)
- bolt diameter and length
- load and vibration conditions
- thread compatibility
- installation torque requirements
Proper selection ensures safe and long-lasting fastening performance.
FAQ
1. what is din933 hexagon bolt?
it is a full-thread hex head bolt used in metric fastening systems.
2. what is the advantage of 316 stainless steel?
it provides excellent resistance to seawater and chemical corrosion.
3. is din933 full thread or partial thread?
din933 is a full-thread bolt standard.
4. can it be used outdoors?
yes, it is ideal for outdoor and marine environments.
5. can custom sizes be produced?
yes, flybear supports oem customization based on requirements.
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.




