Get a Free Quote

Our representative will contact you soon.
Email
Mobile/WhatsApp
Name
Company Name
Message
0/1000
10-0

Home > 

High Strength Bolts: Definition, Grades, and Critical Uses

This page examines high strength bolts, designed to withstand extreme tensile and shear loads using heat-treated alloy steels (e.g., carbon-manganese, boron steels). It details their defining feature—tensile strength exceeding 800 MPa—and key grades (Grade 8, 9 in imperial; 10.9, 12.9 in metric). The content explores industries relying on these bolts, including construction (structural steel), aerospace, automotive (high-performance engines), and offshore oil and gas. Installation nuances (specific torque, turn-of-nut methods) and precautions (avoiding over-tightening, using compatible nuts) are also covered, ensuring safe and reliable use in critical applications.
Get A Quote

Advantages of the product

Superior Strength and Durability

Our 10.9 bolt strength fasteners are designed to withstand extreme loads and harsh environments. Manufactured with high-grade materials, these fasteners offer exceptional tensile strength and yield strength, ensuring they perform reliably even under the most demanding conditions. Clients can trust our products to maintain structural integrity and safety in critical applications.

Customized Solutions for Every Need

At Gonuo, we understand that every project is unique. Our team of experts works closely with clients to develop customized fastener solutions that meet specific requirements. Whether it’s unique dimensions, coatings, or materials, we ensure that our 10.9 bolt strength fasteners are tailored to fit your exact needs, providing optimal performance and efficiency.

Related products

When it comes to industrial applications, the strength of fasteners is paramount. The 10.9 bolt strength classification signifies a high tensile strength and is commonly used in critical applications where safety and reliability are non-negotiable. These fasteners are often utilized in automotive, aerospace, and heavy machinery industries, where they are subjected to high stress and dynamic loads.

The 10.9 designation indicates a minimum tensile strength of 1040 MPa and a yield strength of 940 MPa, making them suitable for heavy-duty applications. The manufacturing process involves precise engineering and high-quality materials, ensuring that each bolt meets rigorous standards. Our fasteners undergo extensive testing, including tensile tests, fatigue tests, and corrosion resistance evaluations, to guarantee their performance in various environments.

In addition to their strength, 10.9 bolts are designed for versatility. They can be used with a variety of nuts and washers, making them an ideal choice for many applications. Our engineering team is well-versed in the latest production technologies and can guide clients in selecting the right fasteners for their specific needs.

Moreover, we recognize the importance of customization in today’s competitive market. Our ability to provide tailored solutions sets us apart from competitors. Whether you require specific coatings for enhanced corrosion resistance or unique dimensions for specialized applications, our team is equipped to deliver. We prioritize communication and collaboration with our clients to ensure that we meet their expectations and exceed industry standards.

At Ningbo Yinzhou Gonuo Hardware Co., LTD, we are committed to building long-term partnerships based on trust and mutual benefit. Our focus on customer satisfaction drives us to continuously improve our products and services, ensuring that our clients receive the best value. With our 10.9 bolt strength fasteners, you can be confident in the performance and reliability of your projects.

Frequently Asked Questions

How do high strength bolts differ from standard bolts in terms of installation?

High strength bolts often require more precise installation than standard bolts. They may need to be tightened to a specific torque or tension (using torque wrenches or tensioning tools) to achieve the correct clamping force, as under-tightening can lead to joint slippage, and over-tightening can cause the bolt to fail. Some use a "turn-of-nut" method, where the nut is tightened a specified number of turns after being finger-tightened. They may also require lubrication during installation to ensure accurate torque application and prevent galling.

Related Articles

How to Choose the Right Bolts and Screws for Your Project

23

Jun

How to Choose the Right Bolts and Screws for Your Project

View More
Key Benefits of Stainless Steel Bolts in Harsh Environments

23

Jun

Key Benefits of Stainless Steel Bolts in Harsh Environments

View More
Hex Bolt: A Versatile Fastener for Construction Projects

24

Jun

Hex Bolt: A Versatile Fastener for Construction Projects

View More
High Strength Bolts: Ensuring Structural Integrity in Heavy Machinery

24

Jun

High Strength Bolts: Ensuring Structural Integrity in Heavy Machinery

View More

customer evaluation

Nolan White

I used these high strength bolts to replace my car's cylinder head bolts, and the precise torque specification was a lifesaver. The 12.9 grade steel handled the engine's high compression without stretching, and the socket head design allowed for easy access in tight spaces. The bolts came with detailed installation instructions, including the recommended turn-of-nut method, which ensured proper clamping force. After 10,000 miles, there's no sign of leakage or loosening. For performance engines, these bolts provide the reliability needed for high-stress environments.

Get a Free Quote

Our representative will contact you soon.
Email
Mobile/WhatsApp
Name
Company Name
Message
0/1000
Engineered for Strength

Engineered for Strength

Our 10.9 bolt strength fasteners are engineered using high-grade materials, ensuring exceptional performance under extreme conditions. This level of engineering guarantees that our fasteners maintain integrity and safety in critical applications, making them a preferred choice for industries worldwide.
Tailored Solutions for Diverse Applications

Tailored Solutions for Diverse Applications

We pride ourselves on our ability to provide customized fastener solutions. Whether you need specific dimensions, coatings, or materials, our team collaborates with you to deliver fasteners that meet your exact specifications, enhancing performance and efficiency in your projects.
Commitment to Quality and Customer Satisfaction

Commitment to Quality and Customer Satisfaction

With a focus on quality assurance and customer service, we ensure that our 10.9 bolt strength fasteners meet international standards. Our dedication to continuous improvement and client feedback allows us to maintain our reputation as a trusted supplier in the fastener industry.