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Buy China Factory Suppliers Stainless Steel Hex Socket Combination Bolt with Built-in Washer, Anti-loosening and Corrosion Resistant Manufacturer, Companies
Product Description
Product Application
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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.
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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.
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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.
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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.
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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
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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.
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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.
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Internal hexagonal drive design enables non-slip operation, labor-saving tightening, and neat cylindrical head appearance, avoiding damage to the surface of connected parts.
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Precision CNC threading ensures neat and uniform threads, strict dimensional tolerance control, tight fitting with mounting holes, and no slipping or stripping during use.
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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
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Integrated one-piece design combines bolt and washer functions, reducing the number of accessories, avoiding missing parts during installation and greatly improving construction efficiency.
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Built-in washer effectively disperses fastening pressure, protects the surface of connected components, and enhances anti-loosening performance to resist vibration and displacement.
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High-strength stainless steel material delivers excellent tensile and shear resistance, meeting the safety requirements of various engineering and mechanical fastening projects.
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Complete specifications with various diameters and lengths, supporting customized processing to match different installation thicknesses and project requirements.
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Comply with international fastener standards (ISO, DIN, ANSI), passing tensile test, hardness test and salt spray test, with stable quality and reliable performance.
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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
Q1: What are the main materials used for these combination bolts?
A: Our bolts are manufactured from high-grade 304 or 316 stainless steel, ensuring excellent resistance to rust, salt spray, and chemical corrosion.
Q2: Why choose an integrated bolt and washer design?
A: The one-piece design prevents the loss of independent gaskets, protects component surfaces by dispersing pressure, and significantly improves assembly line efficiency.
Q3: Are these bolts suitable for outdoor or marine environments?
A: Yes, the high-grade stainless steel and passivation treatment make them ideal for coastal, humid, and mildly corrosive outdoor environments.
Q4: What tools are required for installation?
A: These bolts feature an internal hexagonal drive design and are fully compatible with standard hex socket wrenches, perfect for narrow or concealed spaces.
Q5: Do these products meet international quality standards?
A: Absolutely. Our combination bolts comply with ISO, DIN, and ANSI standards, passing rigorous tensile, hardness, and salt spray testing.
Q6: Can these bolts be customized for specific projects?
A: Yes, we support customized processing for various diameters and lengths to match your specific installation thicknesses and engineering requirements.
