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China China Stainless Steel Hex Socket Combination Bolt - Factory Direct, Anti-Loosening, Corrosion Resistant, Suppliers Welcome Manufacturer, Supplier
Product Description
Product Application
Widely applied in mechanical equipment assembly, construction engineering, furniture manufacturing, automotive accessories, ship repair and outdoor hardware installation, providing integrated fastening solutions for various scenarios.
Suitable for quick fastening of metal sheets, structural parts, precision components and profile modules, eliminating the need for independent washer matching, especially ideal for high-efficiency assembly lines and maintenance scenarios.
Compatible with standard hex socket wrenches, applicable to narrow assembly spaces and concealed fastening positions, meeting the installation needs of industrial production, civil engineering and daily hardware.
Adaptable to indoor and outdoor environments including coastal, humid, high-cold and mildly corrosive areas, resisting rust and deformation to maintain stable fastening performance in long-term use.
Perfect for equipment maintenance, engineering renovation, pipeline fixing and product assembly, reducing the loss of independent gaskets and improving overall construction efficiency.
Material & Processing Features
Manufactured from high-grade 304 or 316 stainless steel, with excellent rust resistance, salt spray resistance and chemical corrosion resistance, suitable for harsh environmental conditions.
Adopts precision cold heading and integrated molding process, with the bolt body and flat washer tightly connected without falling off, ensuring uniform stress and stable structure.
Internal hexagonal drive design enables non-slip operation, labor-saving tightening, and neat cylindrical head appearance, avoiding damage to the surface of connected parts.
Precision CNC threading ensures neat and uniform threads, strict dimensional tolerance control, tight fitting with mounting holes, and no slipping or stripping during use.
Passivation surface treatment improves surface hardness and wear resistance, keeping the product smooth and clean, and prolonging the service life of the combination bolt.
Core Product Benefits
Integrated one-piece design combines bolt and washer functions, reducing the number of accessories, avoiding missing parts during installation and greatly improving construction efficiency.
Built-in washer effectively disperses fastening pressure, protects the surface of connected components, and enhances anti-loosening performance to resist vibration and displacement.
High-strength stainless steel material delivers excellent tensile and shear resistance, meeting the safety requirements of various engineering and mechanical fastening projects.
Complete specifications with various diameters and lengths, supporting customized processing to match different installation thicknesses and project requirements.
Comply with international fastener standards (ISO, DIN, ANSI), passing tensile test, hardness test and salt spray test, with stable quality and reliable performance.
Wide versatility and strong compatibility, reusable and cost-effective, making it a preferred fastening component for efficient assembly and long-term stable connection.
Detail Pictures
Frequently Asked Questions
What materials are these combination bolts made of?
They are manufactured from high-grade 304 or 316 stainless steel, ensuring excellent rust and corrosion resistance even in harsh or humid environments.
What is the main benefit of the integrated washer design?
The integrated design prevents the washer from falling off, reduces the number of components to manage, and significantly improves installation efficiency while providing uniform stress distribution.
Are these bolts suitable for outdoor or coastal use?
Yes, the stainless steel material and passivation treatment make them highly resistant to salt spray and chemical corrosion, ideal for coastal and outdoor hardware installations.
Which standards do these fasteners comply with?
Our combination bolts comply with major international standards, including ISO, DIN, and ANSI, having passed rigorous tensile and salt spray testing.
Can these bolts be used in tight assembly spaces?
Absolutely. The internal hexagonal drive design is specifically suitable for narrow spaces and concealed fastening positions where standard wrenches might not fit.
Do you offer customized sizes for specific projects?
Yes, we provide a complete range of specifications and support customized processing for different diameters and lengths to meet specific engineering requirements.
