Product Description:
Bolts and nuts are essential fastening components widely used in various industrial, construction, and mechanical applications. Our product offering features high-quality ASTM A325 Type 1 structural bolts paired with heavy hex nuts, designed to deliver exceptional strength and reliability for critical structural connections. These bolts are engineered to meet stringent industry standards, ensuring durability and safety in demanding environments.
One of the key attributes of our bolts is their 40mm outer diameter, which provides a robust and secure fastening solution suitable for a wide range of applications. The 40mm size strikes an ideal balance between strength and versatility, making these bolts and nuts suitable for heavy-duty projects and precise engineering requirements alike.
Our product lineup also includes ASTM A320 L7M low temperature bolting, which has been impact tested to guarantee performance under extreme conditions. This feature makes them ideal for applications exposed to low temperatures where toughness and reliability are critical. These bolts maintain their mechanical properties and resist brittle failure even in cold environments, ensuring safety and structural integrity.
Complementing the bolts, we provide DIN 934 hex nuts that are zinc plated to enhance corrosion resistance and prolong the lifespan of the fastening assembly. Zinc plating not only offers a protective barrier against rust and oxidation but also contributes to the aesthetic appeal of the nuts, making them suitable for both industrial and visible applications.
Our bolts and nuts are available in high-quality grades 10.9 and 12.9, representing different strength levels to meet diverse engineering demands. Grade 10.9 bolts provide excellent tensile strength and are suitable for most heavy-duty applications, while grade 12.9 bolts offer even higher strength for the most demanding structural requirements. This range of quality levels ensures that customers can select the precise bolt and nut combination for their specific projects.
We understand the importance of compliance with environmental and safety standards. Therefore, all our bolts and nuts are RoHS compliant, ensuring that they are free from hazardous substances and safe for use in various industries, including those with strict environmental regulations. This compliance reflects our commitment to providing products that meet modern sustainability and safety standards.
To cater to the unique needs of our customers, we offer comprehensive OEM and ODM services. Whether you require customized dimensions, specific material properties, or specialized packaging, our team works closely with you to deliver tailored solutions that match your exact requirements. This flexibility makes our bolts and nuts an excellent choice for both standard and bespoke applications.
For packaging, we use sturdy wooden cases to ensure safe transportation and storage. The wooden case packaging protects the bolts and nuts from damage during shipping and handling, preserving their quality until they reach the customer. This attention to packaging detail demonstrates our commitment to delivering products in optimal condition.
In summary, our bolts and nuts product range features ASTM A325 Type 1 structural bolts with heavy hex nuts, ASTM A320 L7M low temperature bolting that is impact tested, and DIN 934 hex nuts that are zinc plated. With a 40mm outer diameter, RoHS compliance, and quality levels of 10.9 and 12.9, these components offer superior strength, durability, and environmental safety. Our OEM ODM service provides customization options to suit specific project needs, while the wooden case packaging ensures secure delivery. Trust our bolts and nuts for reliable fastening solutions in your most critical applications.
Features:
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Product Name: Bolts and Nuts
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Outer Diameter: 40mm
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Total Length: 70mm
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Application: Mechanical Assembly
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Service: OEM ODM Service available
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Processing Type: Forging, High Strength
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Includes DIN 931 / DIN 933 hex bolts 8.8 zinc plated for reliable fastening
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Offers ISO 3506 A4-80 stainless steel bolts and nuts (SS316) for corrosion resistance
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Features ASTM A193 B7 alloy steel stud bolts for high-performance applications
Technical Parameters:
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Length
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20mm
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Total Length
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70 mm
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Specification
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M42 * 3 * 280mm
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Flange Diameter
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Customize
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Performance
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High Strength
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Locking Mechanism
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Self-Locking
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Nuts Per Bolt
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3
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Packing
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Wooden Case
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Compliance
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RoHS Compliant
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Service
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OEM ODM Service
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Description
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ASTM A320 B8 Class 1 stainless steel bolts (low temperature), ASTM A354 Grade BD alloy steel bolts, ASTM A320 L7M low temperature bolting (impact tested)
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Applications:
The bolts and nuts with a total length of 70 mm and an outer diameter of 40 mm are designed for a wide range of applications across various industries. These fasteners feature a customizable flange diameter, allowing them to be tailored to specific project requirements. Equipped with a reliable self-locking mechanism, these components ensure a secure hold even under dynamic or high-vibration conditions, making them ideal for critical assembly tasks.
One of the primary application occasions for these bolts and nuts is in heavy machinery and structural engineering, where durability and strength are paramount. The products conform to stringent standards such as DIN 931 / DIN 933 hex bolts 8.8 zinc plated, which are known for their exceptional corrosion resistance and mechanical performance. This makes them suitable for outdoor installations, industrial equipment, and infrastructure projects where exposure to harsh environments is common.
Moreover, these bolts and nuts comply with ISO 898-1 class 8.8 high tensile bolts and nuts specifications, ensuring high strength and reliability. This quality standard is essential for applications requiring a robust connection, such as automotive assemblies, manufacturing lines, and construction frameworks. The availability of OEM and ODM services further enables customization according to client needs, enhancing their versatility in various production settings.
In addition to general industrial use, the ASTM A490 high strength structural bolts included in this product line are specifically designed for heavy-duty structural applications. They are widely used in steel structures, bridges, and large-scale construction projects, where high tensile strength and secure fastening are critical for safety and performance. The self-locking feature of these bolts and nuts prevents loosening under stress, contributing to the longevity of the assembled structures.
Overall, these bolts and nuts are suitable for any scenario demanding reliable, high-strength fastening solutions. From manufacturing and automotive industries to construction and infrastructure development, their customizable flange diameter, adherence to international standards, and advanced locking mechanism make them an excellent choice for professionals seeking durable and secure fastening components.
Customization:
Our Bolts and Nuts product offers comprehensive customization services to meet your specific requirements. We provide metric thread types to ensure compatibility with international standards. The packing method used is sturdy wooden cases, ensuring safe transportation and storage. Our products are designed for high performance, featuring high strength forged bolts and nuts that guarantee durability and reliability in demanding applications.
We specialize in manufacturing A193 B7 hex bolts paired with A194 2H heavy hex nuts, perfect for heavy-duty industrial use. Additionally, we offer ASTM A194 Grade 8M stainless steel nuts and ASTM A320 B8 Class 1 stainless steel bolts, which are ideal for low temperature environments. The self-locking mechanism integrated into our fasteners ensures secure fastening and resistance to loosening under vibration.
Our processing techniques include forging combined with high strength treatments to deliver superior mechanical properties. Whether you require customized dimensions, specific grades, or enhanced performance features, our Bolts and Nuts customization service is designed to provide you with reliable and high-quality fastening solutions.
Support and Services:
Our Bolts and Nuts product comes with comprehensive technical support and services to ensure optimal performance and customer satisfaction. We provide detailed product documentation, including specifications, installation guidelines, and maintenance instructions to help you use our products effectively.
For any technical inquiries or assistance, our expert support team is available to provide guidance on product selection, compatibility, and troubleshooting. We also offer customized solutions to meet specific project requirements, ensuring that you receive the right fasteners for your application.
Additionally, we conduct regular quality inspections and testing to maintain high standards of durability and reliability. Our commitment to quality assurance ensures that every bolt and nut delivered meets industry standards and your expectations.
We also provide after-sales services such as warranty support and replacement options to address any issues that may arise during the product lifecycle. Our goal is to support you at every stage, from purchase to installation and maintenance.
For more detailed information about our technical support and services, please refer to the product manual or visit our website’s support section.
