Product Description:
The Bolts and Nuts product is a high-quality fastening solution designed to meet the rigorous demands of various industrial and structural applications. With an outer diameter of 40mm and specific dimensions of M42 * 3 * 280mm, these bolts and nuts provide robust and reliable performance, ensuring secure and stable connections in critical assemblies. The product is engineered with precision to comply with stringent standards, making it an ideal choice for professionals seeking durability and strength in their fastening components.
One of the key features of this product is its strength grade of 8.8, which indicates a high tensile strength suitable for heavy-duty applications. The bolts and nuts are manufactured from premium materials, including ISO 3506 A4-80 stainless steel (SS316) and ASTM A354 Grade BD alloy steel. The use of ISO 3506 A4-80 stainless steel bolts and nuts ensures excellent corrosion resistance, making them perfect for use in harsh environments, including marine and chemical industries. Meanwhile, the ASTM A354 Grade BD alloy steel bolts provide exceptional mechanical properties, offering superior strength and resistance to wear and fatigue.
Additionally, the product conforms to the EN 15048-1 standard for non-preloaded structural bolting assemblies 8.8, which guarantees that the bolts and nuts are suitable for structural applications without the need for preloading. This compliance ensures safety, reliability, and ease of installation in construction and engineering projects. The bolts and nuts are designed to withstand high loads and stresses, making them indispensable in infrastructure, machinery, and heavy equipment manufacturing.
The design of the product also considers practical usage aspects. Each bolt is supplied with either two or three nuts, allowing for versatile configurations depending on the application requirements. This feature enhances the adaptability of the fastening system, providing secure locking mechanisms and preventing loosening under vibration or dynamic loads. The nuts and bolts are precision-engineered to fit perfectly together, ensuring optimal torque and clamping force during installation.
Quality assurance is a paramount aspect of this product. Every bolt and nut undergoes 100% testing to verify their dimensional accuracy, material properties, and mechanical strength. This rigorous quality control process ensures that each unit meets or exceeds industry standards, providing users with confidence in their performance and longevity. The testing includes checks for thread integrity, tensile strength, and resistance to environmental factors, guaranteeing that the product will perform reliably under various conditions.
In summary, the Bolts and Nuts product with an outer diameter of 40mm and specifications of M42 * 3 * 280mm offers an exceptional combination of strength, durability, and compliance with international standards. Featuring ISO 3506 A4-80 stainless steel bolts and nuts (SS316) for corrosion resistance, ASTM A354 Grade BD alloy steel bolts for mechanical strength, and adherence to EN 15048-1 non-preloaded structural bolting assemblies 8.8 for structural reliability, this product is engineered for excellence. The inclusion of 2 or 3 nuts per bolt adds versatility, while the 100% testing ensures uncompromised quality. Whether for industrial, structural, or specialized engineering applications, these bolts and nuts deliver dependable fastening solutions that meet the highest performance criteria.
Features:
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Product Name: Bolts and Nuts
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Corrosion Resistance: High
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Product Grade: A Grade
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Material: Stainless Steel
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Nuts Per Bolt: 2 or 3
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Style: Coach Bolt
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Includes DIN 931 / DIN 933 hex bolts 8.8 zinc plated
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Available in super duplex stainless steel bolts S32750 / S32760
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Hot dip galvanized (HDG) bolts and nuts grade 8.8 for enhanced durability
Technical Parameters:
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Measurement System
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Metric
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Material
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Stainless Steel (ISO 3506 A2-70 stainless steel bolts - SS304)
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Thickness
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10
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Corrosion Resistance
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High
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Quantity
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100
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Strength Grade
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4
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Style
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Coach Bolt
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Nuts Per Bolt
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2, 3 (ASTM A194 2HM nuts for hydrogen service)
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Outer Diameter
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40mm
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Specific
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M42 * 3 * 280mm (ASTM A193 B7M bolts for sour gas service - NACE MR0175)
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Applications:
The bolts and nuts product, featuring coach bolt style with hex head and a strength grade of 8.8, offers exceptional reliability and performance for a wide range of applications. Each bolt is paired with 2 or 3 nuts, ensuring a secure and stable fastening solution. This product is 100% tested to guarantee quality and durability, making it ideal for demanding industrial environments.
One of the primary application occasions for these bolts and nuts is in the assembly and maintenance of stud bolt and nut sets for ASME B16.5 flanges. The robust coach bolt design combined with high strength grade 8.8 provides excellent tensile strength and resistance to mechanical stress, making them suitable for high-pressure piping systems in the oil, gas, and chemical industries. Their hex head style allows for easy installation and tightening, which is crucial in flange connections requiring precise torque control.
In addition, these bolts and nuts are perfectly suited for use with ASTM A320 B8 Class 1 stainless steel bolts, especially in low temperature environments. The compatibility with stainless steel fasteners enhances corrosion resistance and mechanical integrity in cryogenic applications, such as liquefied natural gas (LNG) processing plants and refrigerated storage facilities. The 100% quality testing ensures that every bolt and nut meets stringent standards for safety and performance under extreme conditions.
Furthermore, this product is well-matched for applications involving ASTM A193 B7M bolts, which are specifically designed for sour gas service as per NACE MR0175 standards. The coach bolt style and high strength grade enable reliable performance in corrosive and high-stress environments typical of sour gas extraction and processing. The multiple nuts per bolt configuration provides enhanced security against loosening, which is critical in maintaining the integrity of sour gas equipment.
Overall, these bolts and nuts are ideal for industrial scenarios requiring high strength, corrosion resistance, and dependable fastening. From petrochemical plants and refineries to cryogenic storage and sour gas facilities, this product meets the rigorous demands of modern engineering applications. Their tested quality and thoughtful design ensure safety, longevity, and efficiency in every fastening task.
Customization:
Our product customization services for bolts and nuts include options tailored to meet your specific requirements. We offer metric measurement system components made from high-quality stainless steel, ensuring exceptional corrosion resistance and durability. For superior performance, we provide super duplex stainless steel bolts S32750 / S32760, ideal for demanding environments.
Additionally, our selection includes ASTM A194 Grade 8M stainless steel nuts, which complement the bolts perfectly for enhanced strength and reliability. We also supply ISO 898-1 class 10.9 alloy steel bolts paired with grade 10 nuts, meeting rigorous industry standards for mechanical properties.
All products are available in the specific size of M42 * 3 * 280mm with a strength grade of 4, ensuring compatibility and strength for your applications. Customize your bolts and nuts with us to achieve optimal performance and longevity in your projects.
Support and Services:
Our Bolts and Nuts product line is designed to meet the highest standards of quality and durability. For technical support, please ensure you have the product specifications and batch number ready when seeking assistance. Our support team can provide guidance on proper installation techniques, compatibility with different materials, and maintenance tips to ensure optimal performance. We also offer services including custom sizing, threading options, and bulk order consultations to fit your specific industrial or commercial needs. For detailed product manuals and troubleshooting guides, please refer to the documentation provided with your purchase or visit our online resource center.
