Products Description
Stainless steel flat washers are critical components in fastening systems, manufactured from premium stainless steel grades such as 304 and 316 through precision stamping and polishing processes. Our products feature smooth, flat surfaces, burr-free edges, high dimensional accuracy, and strong consistency.
The primary function of flat washers is to work with bolts and nuts, increasing the contact area under load to distribute pressure while providing multiple benefits including anti-loosening, corrosion resistance, and insulation. Stainless steel flat washers serve as essential foundational fastening components across diverse sectors including industrial manufacturing, architectural decoration, and medical equipment.
Sanwei Company's flat washers withstand complex operating conditions, effectively extending fastening system lifespan and providing reliable assurance for stable equipment and structural operation. For inquiries or purchases, click the button below for a complimentary consultation.
Product Parameters
| Material | Stainless Steel |
| Surface treatment | ZP,YZ,BLACK |
| Packing | PE+Cardboard Box+Pallet |
| Application scope | Industrial General, Heavy Industry, Automotive Industry |
| Compatible with screw size | M8, M6, M10, M4, M12, M5, M3, M16, M20, M14, M24, M30, M36 |
Product Actual Photos
Product Applications
Architectural Decoration Industry-Solving Structural Fastening and Rust Prevention Challenges
In scenarios such as curtain wall installation and stainless steel railing fixation, stainless steel flat washers serve as core supporting components. Outdoor building environments endure prolonged exposure to wind and rain, causing ordinary carbon steel washers to rust and expand. This leads to safety hazards like curtain wall loosening and railing tilting. Our product, when used with stainless steel bolts, effectively distributes pressure away from the curtain wall studs and railing posts, preventing deformation of the profiles due to localized stress. In high-rise glass curtain wall installations, each fixing bolt requires a flat washer. This ensures the curtain wall's flatness while resisting corrosion from humid air currents at high altitudes.
Marine and Shipbuilding Industry-Solving Fastening Challenges in Highly Corrosive Environments
In applications like ship deck fastening, offshore platform structural connections, and seawater desalination equipment assembly, components endure prolonged exposure to high salt fog and humidity in severely corrosive conditions. Ordinary washers corrode and fracture rapidly, causing structural loosening and safety incidents. Sanwei employs corrosion-resistant 316 stainless steel, whose molybdenum content provides exceptional resistance to chloride ion corrosion, enabling long-term rust-free operation in marine environments. Its high-strength structural properties withstand vibration loads during vessel navigation, distributing bolt pressure away from hull plates to prevent localized cracking. This delivers core safety assurance for marine equipment operation.
Customer Feedback
Why Choose Us?
Hebei Sanwei Fasteners Co., Ltd.'s production base is located in Hebei Province, China, covering an area of 33,000 square meters with a building area of approximately 30,000 square meters. Strategically situated near multiple major highways and railways, the base facilitates efficient procurement of raw materials and transportation of finished products. Sanwei Fasteners specializes in various fastener products, including but not limited to bolts, nuts, screws, washers, and other types of fasteners. The company's products have obtained ISO quality management system certification. All items undergo multiple quality inspection stages before shipment, including assessments of dimensional accuracy, surface treatment effectiveness, and mechanical properties, ensuring products meet or exceed standards. We look forward to collaborating with you.
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