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Flat Washers
This product features a round, flat structure, made of carbon steel, stainless steel, or copper, formed by stamping. It has a smooth surface and uniform thickness, effectively distributing pressure during bolt tightening and preventing scratches on the workpiece surface. Suitable for various fastening scenarios, the full range covers mainstream specifications, with readily available stock. The surface is rust-proofed, meets quality control standards, and complies with environmental regulations. Compliance documentation is available, and customization of non-standard sizes and materials is supported.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standards: GB/T 97.1 (Standard Type), GB/T 97.2 (Chamfered Type), GB/T 848 (Small Series), GB/T 5287 (Extra Large Series); International Standards: ISO 7089, ISO 7090, ISO 7092; American Standard: ANSI/ASME B18.22.1; German Standards: DIN 125, DIN 126, DIN 9021;
Metric specifications: Compatible with thread sizes M1.0~M64, covering all standard, small, large, and extra-large series in terms of inner diameter, outer diameter, and thickness; Imperial specifications: Compatible with thread sizes #0-80~3"-12, compatible with UNC/UNF American standard thread systems, divided into N series, SAE series, and USS series.
High-quality low-carbon steel, medium-carbon steel, alloy steel, 304 stainless steel, 316 stainless steel, brass, aluminum alloy, etc.
Environmentally friendly blue-white zinc, colored zinc, black zinc, environmentally friendly nickel plating, zinc-nickel alloy plating, Dacromet coating, electrophoresis, PVD, stainless steel natural color, stainless steel passivation, etc.
Suitable for use with bolts and screws in various types of machinery, electronics, construction, and home appliances, these products distribute stress on the workpiece, prevent scratches on the workpiece surface, and protect the workpiece.
Do you need non-standard fasteners, precision metal parts, or custom structural components for a specific application?
Yongji helps you develop and manufacture special parts and custom products based on your drawings, samples, technical requirements, and target application scenarios.
Whether you need prototype quantities, pilot production, or stable mass supply, we provide an integrated solution from engineering review to production and delivery.
From fasteners to structural parts, Yongji offers integrated development and manufacturing for a wide range of custom precision hardware products.
Whether you need a few pieces for validation, small batches for development, or large volumes for mass production, we can support your project at different stages.
With integrated manufacturing resources in China and Vietnam, Yongji helps customers achieve stable quality, scalable production, and reliable delivery.
Yongji Precision Hardware is a global manufacturer specializing in precision fasteners and metal structural components. We are China Flat Washers Suppliers and Wholesale Flat WashersExporter && Company. Founded in 2003, the company has over two decades of experience serving international OEM and ODM customers across multiple industries.
With integrated manufacturing capabilities including cold heading, stamping, CNC machining and sheet metal fabrication...
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