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China China Suppliers Factory Stainless Steel Hex Socket Combination Bolt with Washer - Corrosion Resistant and Durable Suppliers, Company
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 life of the combination bolt.
Core Product Benefits
Integrated one-piece design combines bolt and washer functions, reducing accessories and improving construction efficiency.
Built-in washer effectively disperses fastening pressure, protects surfaces, and enhances anti-loosening performance.
High-strength stainless steel delivers excellent tensile and shear resistance for safety-critical projects.
Complete specifications with various diameters and lengths, supporting customized processing.
Comply with international fastener standards (ISO, DIN, ANSI) with stable quality and reliable performance.
Wide versatility and strong compatibility, reusable and cost-effective for long-term stable connection.
Detail Pictures
Frequently Asked Questions
1. What materials are these combination bolts available in?
Our combination bolts are primarily manufactured from high-grade 304 and 316 stainless steel, ensuring superior rust and corrosion resistance.
2. What is the main benefit of the integrated washer design?
The integrated design prevents washers from being lost or forgotten during assembly, speeds up the installation process, and ensures even pressure distribution.
3. Can these bolts be used in marine or coastal environments?
Yes, our 316 stainless steel variant is specifically designed to resist salt spray and chemical corrosion, making it ideal for marine and coastal applications.
4. What tools are required for installation?
These bolts feature an internal hexagonal drive, making them compatible with standard hex socket wrenches or Allen keys.
5. Do these fasteners comply with international standards?
Absolutely. Our products are manufactured to meet ISO, DIN, and ANSI standards, passing rigorous tensile and salt spray testing.
6. Are custom sizes or specifications available?
Yes, we support customized processing for different diameters and lengths to match your specific project requirements.
