Product Description:
Our Bolts and Nuts product line is engineered to deliver exceptional performance and reliability across a wide range of industrial and construction applications. Designed with high strength as a core attribute, these fasteners ensure robust and secure connections, capable of withstanding demanding mechanical stresses and environmental conditions. Whether you require fastening solutions for structural projects, machinery assembly, or maintenance tasks, our bolts and nuts provide the durability and precision you need.
One of the standout features of our product range is the compliance with stringent industry standards, ensuring safety, consistency, and quality. We offer ASTM A325 Type 1 structural bolts paired with heavy hex nuts, which are specifically designed for structural steel joints. These bolts meet rigorous specifications for chemical composition, mechanical properties, and dimensional accuracy, making them ideal for critical infrastructure projects where strength and reliability are paramount.
In addition to ASTM A325 bolts, our selection includes ASTM A307 Grade B carbon steel bolts. These bolts are widely used for general-purpose applications and offer excellent tensile strength and toughness. The Grade B designation indicates that these fasteners have been heat treated to achieve a minimum tensile strength, making them suitable for construction, automotive, and machinery applications where moderate to high strength is required.
For environments that demand superior corrosion resistance and longevity, we provide ISO 3506 A4-80 stainless steel bolts and nuts (SS316). Manufactured from high-grade stainless steel, these fasteners exhibit excellent resistance to oxidation, rust, and chemical exposure. The A4-80 rating signifies a high tensile strength combined with enhanced corrosion resistance, making them perfect for marine, chemical processing, and outdoor applications where exposure to harsh elements is a concern.
Our Bolts and Nuts product line is also characterized by its flexibility and customization options. We understand that different projects have unique requirements, which is why we offer customizable flange diameters to suit specific applications. This adaptability ensures a perfect fit and optimal load distribution in every fastening scenario, enhancing the overall stability and performance of your assemblies.
Quality is at the forefront of our manufacturing process, with bolts and nuts available in high-quality levels 10.9 and 12.9. These grades indicate the tensile strength and hardness of the fasteners, with 12.9 being one of the highest strength classes available for alloy steel bolts. This makes them suitable for highly demanding mechanical applications where maximum strength and durability are critical.
Moreover, our products are RoHS compliant, adhering to the Restriction of Hazardous Substances directive. This compliance guarantees that our bolts and nuts are free from hazardous materials such as lead, mercury, and cadmium, making them environmentally friendly and safe for use in various industries, including electronics and automotive manufacturing.
To further support your project needs, we offer comprehensive OEM and ODM services. Our experienced engineering team can collaborate with you to design and produce custom fasteners tailored to your exact specifications. Whether you need unique dimensions, specific materials, or specialized coatings, we are equipped to deliver high-quality, precision-manufactured bolts and nuts that meet your requirements.
In summary, our Bolts and Nuts product line combines high strength, industry-standard compliance, customizable options, and environmental responsibility to provide superior fastening solutions. Featuring ASTM A325 Type 1 structural bolts with heavy hex nuts, ASTM A307 Grade B carbon steel bolts, and ISO 3506 A4-80 stainless steel bolts and nuts (SS316), our products are designed to meet the diverse needs of modern engineering and construction projects. Backed by RoHS compliance and available in quality levels 10.9 and 12.9, our fasteners deliver the performance and reliability your applications demand, supported by dedicated OEM and ODM services to ensure a perfect fit for every use case.
Features:
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Product Name: Bolts and Nuts
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Processing Type: Forging, High Strength
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Nuts Per Bolt: 3
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Total Length: 70 mm
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Outer Diameter: 40 mm
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Length: 20 mm
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Made from ASTM A193 B7 alloy steel stud bolts
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Includes A193 B7 hex bolts with A194 2H heavy hex nuts
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Hot dip galvanized (HDG) bolts and nuts grade 8.8 for enhanced corrosion resistance
Technical Parameters:
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Quality Level
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10.9, 12.9
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Service
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OEM ODM Service
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Flange Diameter
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Customize
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Outer Diameter
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40mm
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Specific
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M42 * 3 * 280mm
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Nuts Per Bolt
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3
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Thread Type
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Metric
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Length
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20mm
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Locking Mechanism
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Self-Locking
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Performance
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High Strength
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Applications:
The bolts and nuts product, specifically designed with a thread type of Metric and a total length of 70 mm, is highly versatile and suitable for various industrial and construction applications. With a customizable flange diameter, these fasteners can be tailored to meet the specific requirements of different projects, ensuring a perfect fit and optimal performance. The specific model M42 * 3 * 280mm exemplifies the precision and robustness of these components, making them ideal for heavy-duty uses.
Manufactured with high-quality materials such as ASTM A354 Grade BD alloy steel bolts and ASTM A320 L7 low temperature alloy steel bolts, these bolts are engineered to withstand extreme conditions. The ASTM A354 Grade BD alloy steel bolts offer exceptional strength and toughness, making them suitable for applications where high tensile strength is critical. On the other hand, ASTM A320 L7 low temperature alloy steel bolts provide excellent performance in low-temperature environments, making them indispensable in industries such as oil and gas, chemical processing, and cryogenics.
Additionally, these bolts and nuts comply with EN 15048-1 standards for non-preloaded structural bolting assemblies 8.8, ensuring their reliability and safety in structural engineering projects. This standard guarantees that the bolts deliver consistent clamping force without the need for preloading, which simplifies installation and maintenance in steel structures, bridges, and heavy machinery assemblies.
The product is ideal for use in various application occasions and scenarios, including construction sites, manufacturing plants, infrastructure projects, and heavy machinery assembly lines. The OEM ODM service further enhances its adaptability, allowing clients to customize dimensions and specifications to fit unique project demands. Whether it’s for assembling structural steel frameworks, securing heavy equipment, or ensuring stability in critical infrastructure, these bolts and nuts offer unparalleled durability and precision.
In summary, the bolts and nuts with customizable flange diameter, specific sizing such as M42 * 3 * 280mm, and compliance with high industry standards like ASTM A354 Grade BD and ASTM A320 L7 make them a reliable choice for demanding applications. Their metric thread type and 70 mm total length provide flexibility for various fastening needs, supported by professional OEM ODM services to tailor solutions for diverse operational scenarios.
Customization:
Our Bolts and Nuts product offers exceptional performance with high strength, making it ideal for demanding applications. The bolts conform to DIN 931 / DIN 933 hex bolts 8.8 zinc plated standards, ensuring durability and corrosion resistance. With a total length of 70 mm, an outer diameter of 40 mm, and a specific length of 20 mm, these bolts are precisely manufactured to meet your exact requirements. For specialized environments, we provide ASTM A193 B7M bolts suitable for sour gas service (NACE MR0175), guaranteeing safety and reliability. Additionally, our product range includes EN 14399-1 HV 10.9 preloaded structural bolting assemblies for robust structural connections. All items are securely packed in a wooden case to ensure safe delivery and storage.
Support and Services:
Our Bolts and Nuts product line is backed by comprehensive technical support and services to ensure optimal performance and satisfaction. We provide detailed product documentation, including specifications, installation guides, and maintenance instructions to help you select and use the right fasteners for your applications.
Our technical support team is available to assist with any product-related inquiries, offering expert advice on material selection, sizing, and compatibility. We also offer custom solutions tailored to specific industry requirements, ensuring that our bolts and nuts meet your unique needs.
For quality assurance, all our bolts and nuts undergo rigorous testing and inspection processes to comply with international standards. We provide certification and traceability for every batch, giving you confidence in the reliability and durability of our products.
Additionally, we offer after-sales services including replacement, warranty support, and technical training to help your team properly handle and maintain our fasteners. Our commitment is to deliver not just products, but complete support to help your projects succeed.
