Fastener Large Hexagon Head Bolts For High-Strength Structural Steel

Large Hexagon Head Bolts for High-Strength Structural Steel are heavy-duty fasteners specifically designed for critical applications in high-strength steel structures. These bolts feature a large hexagonal head, which allows for easy installation using standard tools, and are made from high-strength materials to ensure durability, reliability, and safety under extreme loads and conditions. They are commonly used in heavy-duty industrial, construction, and infrastructure projects where structural integrity is paramount. 1. Definition Large Hexagon Head Bolts for High-Strength Structural Steel are bolts with a prominent hexagonal head that is larger than standard bolts, providing increased torque resistance during installation and offering better grip for tools. These bolts are designed to securely fasten steel components in high-stress environments and are made from materials that meet high strength and load-bearing requirements. 2. Material The materials used for these bolts are crucial for ensuring their strength and performance: High-Strength Carbon Steel: Commonly used for its excellent tensile strength and cost-effectiveness, often treated with heat treatments like quenching and tempering to enhance strength and toughness. Alloy Steel: Offers superior strength, especially for applications with high-load or dynamic stress conditions, such as in the automotive or machinery industries. Stainless Steel: Ideal for environments where corrosion resistance is critical, such as in marine, chemical, or offshore applications. Heat-Treated Steel: For maximum durability, heat-treated bolts are hardened to withstand high stress, wear, and fatigue in extreme conditions. 3. Design & Specifications These bolts are designed with features that cater to high-strength structural applications: Large Hexagonal Head: The large head size allows for more torque to be applied during installation, helping ensure a secure connection. The hex shape also enables the use of a standard wrench or socket, making installation easier and faster. Threading: These bolts come with various thread options, including Metric (M), UNC (Unified National Coarse), or UNF (Unified National Fine) threads, to suit different industrial needs. Strength Grade: High-strength structural bolts typically come in various grades such as Grade 8 (metric), Grade 10.9 or Grade 12.9, ensuring they can withstand substantial loads without deformation or failure. Length & Diameter: Available in a range of lengths and diameters, from M10 to M100 or even larger, to accommodate different applications. Custom sizes are also available for specific project requirements. 4. Surface Treatment To improve performance and resistance to corrosion, surface treatments are applied to these bolts: Zinc Plating: Provides good corrosion resistance and is commonly used in indoor applications. Hot-Dip Galvanizing: A more robust coating for outdoor applications or areas exposed to harsh environments, providing long-lasting protection against rust and wear. Black Oxide Coating: Enhances corrosion resistance while providing a smooth, black finish commonly used in mechanical assemblies. Phosphate Coating: Often used for bolts in high-stress environments, improving the friction coefficient and reducing wear.

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Fastener

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Product Details

Product Attributes

Place Of Origin: China

Brand: ZHONGSHI FASTENER (JIANGSU) CO., LTD

Supply Ability & Additional Information

Supply Ability: 15-90 days

Transportation: Ocean,Rail transport,Land,Others

Payment Type: T/T, L/C, D/P，Bank Guarantee，Others

Incoterm: FOB,FCA, CFR, CIF, FAS, DDP, DAP, Others

Specification：Customized on Request

We'll help you configure a system that meets all of your research needs.

Typical applications

Construction: Used in the assembly of large steel structures, including bridges, buildings, and industrial facilities.
Infrastructure: Securing steel components in infrastructure projects such as highways, tunnels, and dams.
Heavy Machinery: Fastening critical parts of heavy machinery, cranes, mining equipment, and other industrial machinery that operate under high loads and stress.
Oil and Gas: Used in the assembly of offshore platforms, pipelines, and refineries, where exposure to extreme conditions and high pressure is common.
Energy Sector: Essential in power plants, wind turbines, and other energy infrastructure where structural integrity is critical to ensure safety and performance.

Packaging & Delivery

Selling Units: Set/Sets

Package Type: asked by buyer

Company Overview

Founded in 1990, TongYang is a professional company specializing in developing and manufacturing chemical machinery and equipment for customers ,It has manufacturing license of grade A2 (the third type of pressure vessel) issued by state general administration of market supervision, license Key: :TS2210D94-2023. Tongyang has always been committed to the research and development, production, application of chemical machinery and equipment in fine chemical, petrochemical, food, biological and pharmaceutical industries. Our technology in develop distillation tower and separation equipment attain domestic leading level, Keep pace with international advanced level.

Provide turnkey projects

Our team can provide you with turnkey engineering, you do not have to worry about the installation is not professional, we will complete the installation and debugging according to your specific requirements, at the same time, a professional training, to solve your worries.

Competitive Advantage

Abundant experience: more than 30 years experience in non-ferrous metal cladding and production;
Technical consulting service: technical consulting on material, welding, NDE, Welding, Heat treatment ;
Independent inspection service; in-process inspection, final inspection; Hydrostatic testing etc;
Transportation: have own export license, Yangzhou Port and Shanghai Port , 2.4 kilometers away from Yangzhou Port and 226 kilometers away from Shanghai Port.

Varieties of manufacturing standards to meet the needs of the global market

GB150-2011;
ASME U, U2 Certificate;
GOST 34347;
ISO14001 , ISO 45001, ISO 9001;
ASME SEC VIII DIV.1，ASME SEC VIII DIV.2 ; f.PED 97/23/EC with CE certificate;

Workshop Photos