Products Description
Stainless Steel Fasteners are a high-end functional variant of hex bolts, characterized by an integrated, one-piece flange (washer face) beneath the bolt head. This integrated flange, compared to the traditional bolt + separate flat washer combination, provides a larger, more uniform load-bearing area and can be combined with a specially designed toothed structure to achieve multiple functions such as anti-loosening, corrosion resistance, and sealing. Manufactured from high-quality austenitic stainless steel (such as SUS304, SUS316) or martensitic stainless steel (such as SUS410), they are specifically designed for demanding applications requiring corrosion resistance, ensuring long-term connection stability, and withstanding dynamic loads.
Key Functions
High-Efficiency Connection: The hexagonal head design of the Threaded Fastener allows for quick tightening or loosening with a standard wrench, making installation convenient.
Stress Dispersion: The flange evenly distributes the pressing force across the surfaces of the connected parts, preventing indentations on the Stainless Steel Screw heads or the connected parts.
Anti-Loosening: The indentation formed after flange pressing acts as a locking mechanism, effectively preventing Metal Steel Screw Hardware Fasteners loosening caused by vibration or thermal expansion and contraction.
Core Product Advantages
Superior Corrosion Resistance
Chromium forms a dense oxide film, passing a 480-hour neutral salt spray test (ASTM B117), extending service life of Hex Head Screw with Built-in Washer by 2-3 times in corrosive environments such as marine and chemical plants.
High Strength and Lightweight
Tensile strength reaches 800-1200MPa, yield strength ≥600MPa, reducing weight by 15%-20% compared to traditional carbon steel bolts, Hexagon Head Screw with Attached Washer meets the lightweight requirements of new energy vehicles.
Enhanced Efficiency through Cold Forging Process
Material utilization rate of Threaded Fastener >85%, production efficiency reaches 60-600 pieces/minute, reducing unit cost by over 40%, and carbon emissions by 30%.
Application Areas
| New Energy Vehicles and Battery Pack Structures | Stainless Steel Screw is used for battery module mounting, enclosure sealing, and electric drive unit housing connection. Requires high strength, vibration resistance, and resistance to automotive environmental corrosion (salt spray, chemicals). |
| Wind Power and Solar Power Mounts | Metal Steel Screw Hardware Fasteners are used for connecting towers, nacelles, and photovoltaic mounts. Must withstand extreme wind loads, vibration, and long-term outdoor exposure to sun and rain, requiring high corrosion resistance, high fatigue resistance, and anti-loosening properties. |
| Rail Transit and Aerospace | Hex Head Screw with Built-in Washer is used for vehicle body structures, interiors, and equipment installation. Requires a lightweight design, high reliability, fire resistance, and resistance to vibration and temperature fluctuations. |
| High-End Electronic Appliances and Communication Cabinets | Used for server racks, outdoor communication cabinets, and precision instrument housing connections. Requires rust prevention, electromagnetic shielding (in certain situations), and stable grounding continuity. |
contact us
For further inquiries about Stainless Steel Fastener customization details, to obtain a detailed technical specification manual, or to discuss bulk purchasing cooperation and export compliance matters, please click "contact us" to connect with us. We will provide one-on-one professional services to help you reduce costs and improve project reliability.
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