Product Description:
The Bolts and Nuts product is a comprehensive fastening solution designed to meet the highest standards of strength, durability, and corrosion resistance. Each unit comprises a carefully matched set of components: a bolt, nut, washer, and sealing ring, ensuring reliable and secure assembly in various demanding applications. This one bolt unit concept simplifies installation and guarantees optimal performance by providing all necessary elements in a single package.
Manufactured in the style of a coach bolt, these fasteners are characterized by their rounded head and square neck, which prevent the bolt from turning once tightened. This design is particularly advantageous in applications requiring a secure, flush finish and high resistance to loosening under vibration. The coach bolt style also facilitates easy installation and maintenance, making these bolts and nuts suitable for both industrial and structural uses.
One of the standout features of this product is its exceptional corrosion resistance. Made from super duplex stainless steel grades S32750 and S32760, these bolts and nuts offer superior protection against harsh environmental conditions, including marine and chemical exposures. The super duplex stainless steel composition provides a balanced combination of austenitic and ferritic microstructures, resulting in high strength and excellent resistance to stress corrosion cracking and pitting. This makes them ideal for use in offshore structures, chemical processing plants, and other environments where corrosion resistance is critical.
In addition to their intrinsic corrosion resistance, these fasteners are available as hot dip galvanized (HDG) bolts and nuts grade 8.8, providing an additional layer of zinc coating to enhance durability and longevity in outdoor or highly corrosive environments. The hot dip galvanizing process ensures a robust, uniform coating that protects the fastener from rust and degradation, extending the service life of the assembly.
The product meets the stringent requirements of EN 14399-1 HV 10.9 preloaded structural bolting assemblies. This European standard specifies high-strength structural bolts with an HV hardness rating and tensile strength class of 10.9, ensuring that the bolts can withstand significant mechanical loads. The preloading aspect ensures that the bolts maintain consistent tension, reducing the risk of loosening and enhancing the integrity of the overall structure.
Precision manufacturing is evident in the thread tolerance of 0.02, which guarantees a tight fit between the bolt and nut threads. This precise tolerance minimizes play and ensures uniform load distribution across the threads, contributing to the overall strength and reliability of the fastener assembly. Such accuracy is essential in critical applications where even minor deviations can lead to premature failure or safety hazards.
Strength is a crucial attribute of this bolts and nuts product, with a minimum tensile strength (σb) of 450 MPa. This high strength rating confirms the product’s capability to endure substantial mechanical stresses, making it suitable for heavy-duty applications in construction, machinery, and infrastructure projects. The combination of high strength and corrosion resistance ensures that these fasteners maintain performance and safety over extended periods, even under challenging conditions.
Overall, this bolts and nuts product represents a high-quality, reliable choice for professionals seeking durable, corrosion-resistant, and high-strength fastening solutions. The integration of super duplex stainless steel bolts S32750 / S32760, compliance with EN 14399-1 HV 10.9 preloaded structural bolting assemblies standards, and availability of hot dip galvanized (HDG) bolts and nuts grade 8.8 offers versatility and assurance in performance. Whether used in industrial, marine, or structural applications, these bolts and nuts provide a dependable fastening system that meets rigorous technical and environmental demands.
Features:
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Product Name: Bolts and Nuts
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Screw Length: 10 Mm
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High Strength: σb/MPa≥ 450
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One Bolt Unit Includes: Bolt, Nut, Washer, Sealing Ring
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Processing Type: Forging, High Strength
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Material Grade: 25CRMO4
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Compliance with ISO 898-1 class 10.9 alloy steel bolts with grade 10 nuts
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ASTM A193 B16 chrome-moly-vanadium stud bolts
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ISO 3506 A2-70 stainless steel bolts (SS304) available
Technical Parameters:
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Length
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30mm
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Style
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Coach Bolt
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Cross Section Shape
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Custom-Shaped
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Screw Length
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10 mm
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Material Grade
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25CRMO4
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Processing Type
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Forging, High Strength
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Thread Tolerance
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0.02
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Insert Diameter
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Customize
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High Strength (σb/MPa≥)
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450
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Body Type
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Customize
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Applications:
The bolts and nuts product, featuring a customizable body type and insert diameter, is designed to meet a wide range of industrial and construction needs. With a cap diameter of 12 mm and a length of 30 mm, this product is crafted in the style of a coach bolt, ensuring robust fastening and reliable performance in various applications. These bolts and nuts are particularly suited for scenarios requiring high strength and corrosion resistance, making them ideal for demanding environments.
One of the primary application occasions for these bolts and nuts is in the chemical and petrochemical industries, where durability and resistance to aggressive media are essential. The use of super duplex stainless steel bolts S32750 / S32760 ensures exceptional corrosion resistance and mechanical strength, making them perfect for equipment exposed to harsh chemicals and high temperatures. These super duplex stainless steel bolts are widely used in offshore oil and gas platforms, chemical processing plants, and seawater desalination units, where reliability is paramount.
In addition to the super duplex stainless steel options, the product line includes DIN 931 / DIN 933 hex bolts 8.8 zinc plated, which provide excellent tensile strength and resistance to wear and tear. These zinc-plated bolts are commonly utilized in automotive manufacturing, machinery assembly, and structural steel frameworks. Their zinc coating offers enhanced protection against rust, making them suitable for outdoor and industrial environments.
Furthermore, the accompanying ASTM A194 2HM nuts are specifically designed for hydrogen service, ensuring safety and integrity in hydrogen storage and transportation systems. These nuts complement the bolts perfectly in high-pressure and high-temperature applications, guaranteeing secure fastening even under extreme conditions. They are crucial components in refining plants, hydrogen fueling stations, and energy production systems where hydrogen is used or produced.
The versatility of this bolts and nuts product extends to construction, marine engineering, and heavy equipment manufacturing. The customizable features allow tailoring the dimensions to fit specific project requirements, enhancing compatibility and ease of installation. Whether it is securing structural components, assembling heavy machinery, or maintaining critical infrastructure, these bolts and nuts deliver superior performance and durability.
In summary, the customizable coach bolt style bolts and nuts with a 12 mm cap diameter and 30 mm length are indispensable in various industrial and engineering scenarios. Their availability in super duplex stainless steel S32750 / S32760, DIN 931 / DIN 933 hex bolts 8.8 zinc plated, and ASTM A194 2HM nuts for hydrogen service makes them highly adaptable and reliable for applications ranging from chemical plants to structural assemblies, ensuring safety, strength, and longevity.
Customization:
Our product customization services for bolts and nuts include options tailored to meet your specific requirements. We offer duplex stainless steel bolts and nuts S31803 known for their high corrosion resistance, ensuring durability in harsh environments. The screw length is standardized at 10 mm, while the cap diameter measures 12 mm, providing a precise fit for your applications. The insert diameter can be customized to match your exact specifications.
We utilize advanced processing types such as forging to enhance the mechanical properties of our products. Our range includes ASTM A354 Grade BD alloy steel bolts and ASTM A449 high strength carbon steel hex bolts, both manufactured to deliver superior strength and reliability. Whether you need high strength fasteners or corrosion-resistant solutions, our customization services ensure that you receive bolts and nuts designed for optimal performance.
Support and Services:
Our Bolts and Nuts product is designed to meet the highest standards of quality and durability, ensuring reliable performance in a wide range of applications. For technical support, our team of experts is available to assist with product specifications, installation guidance, and troubleshooting to ensure optimal use of the product.
We offer comprehensive services including consultation on selecting the right bolts and nuts for your specific requirements, customized solutions for unique applications, and assistance with bulk orders. Our support also covers maintenance tips to extend the lifespan of the fasteners and advice on compliance with industry standards.
Whether you need help with technical details or require after-sales service, we are committed to providing prompt and effective support to ensure your complete satisfaction with our Bolts and Nuts products.
