a4 70 hex bolt
A4 70 Hex Bolt
The a4 70 hex bolt is a high-performance fastening solution designed for various industrial applications. Made from A4 stainless steel, these hex bolts offer exceptional corrosion resistance and strength, making them ideal for demanding environments. With precise dimensions and a robust design, the A4 70 hex bolt guarantees reliability and durability in any setting.
Key Features
- Corrosion Resistance: Made from A4 stainless steel, these bolts resist rust and corrosion, ensuring long-lasting performance.
- High Strength: The A4 70 rating signifies a minimum tensile strength of 700 N/mm², providing strong and secure fastening.
- Versatile Applications: Suitable for marine, chemical, and outdoor applications due to their resilience in harsh conditions.
- Easy Installation: The hexagonal head allows for easy tightening with standard tools, ensuring quick and efficient installation.
- Compliance: Conforms to international standards, ensuring compatibility and reliability across various industries.
Technical Specifications
| Specification | Details |
|---|---|
| Material | A4 Stainless Steel |
| Strength Grade | 70 |
| Tensile Strength | 700 N/mm² |
| Diameter Range | M5 - M30 |
| Length Range | 10 mm - 200 mm |
| Finish | Natural or Passivated |
| Standards | ISO 3506, ASTM F593 |
Application Scenarios

The a4 70 hex bolt is versatile and suitable for a wide range of applications, including:
- Marine Engineering: Ideal for boat construction and repair due to its excellent corrosion resistance.
- Chemical Processing: Used in environments where exposure to chemicals is common, ensuring structural integrity.
- Construction: Employed in building projects, particularly in areas subject to moisture and harsh weather conditions.
- Automotive: Utilized in the manufacture and repair of vehicles, providing reliable fastening in dynamic conditions.
- Infrastructure: Essential in the construction of bridges and other critical structures requiring high-strength fasteners.
Advantages
Choosing the a4 70 hex bolt offers numerous advantages, including:
- Longevity: The corrosion-resistant properties of A4 stainless steel ensure that the bolts maintain their integrity over time.
- Cost-Effectiveness: Reduced maintenance and replacement needs lead to lower overall costs in projects.
- Safety: High tensile strength minimizes the risk of bolt failure, enhancing the safety of structures and machinery.
- Compatibility: Standardized dimensions make these bolts compatible with a wide range of accessories and components.
- Expert Support: Our team is available to provide technical support and guidance for your specific application needs.
Why Choose Us
When it comes to sourcing a4 70 hex bolts, we stand out as a premier supplier in the international market. Here’s why:
- Quality Assurance: We adhere to strict quality control measures to ensure that every bolt meets the highest industry standards.
- Wide Inventory: Our extensive stock allows for quick fulfillment of orders, reducing lead times for your projects.
- Competitive Pricing: We offer competitive pricing without compromising on quality, making us a cost-effective choice for businesses.
- Global Shipping: With our established logistics network, we can deliver products worldwide efficiently.
- Customer-Centric Approach: We prioritize customer satisfaction and are committed to building long-term relationships with our clients.
FAQ
1. What is the difference between A4 and A2 stainless steel?
A4 stainless steel has higher corrosion resistance than A2, making it suitable for more demanding environments, such as marine applications.
2. Can the A4 70 hex bolt be used in high-temperature environments?
While A4 stainless steel has good thermal stability, it is recommended to verify the specific temperature limits for your application.
3. Are custom sizes available for the A4 70 hex bolt?
Yes, we offer custom sizes and lengths to meet your specific project requirements. Please contact us for more details.
4. What coatings are available for A4 70 hex bolts?
The A4 70 hex bolts can be provided with natural or passivated finishes, depending on your corrosion resistance needs.
5. How do I determine the right size for my application?
It is essential to consider factors such as load requirements, environmental conditions, and installation method when selecting the appropriate size of A4 70 hex bolt.
