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Spring Washers
This product features a ring-shaped open spring structure, made of carbon steel/stainless steel, and stamped. It possesses excellent elasticity and toughness, generating an elastic reaction force upon tightening to prevent bolt vibration and loosening. Suitable for various anti-loosening scenarios, the full range covers mainstream specifications, with readily available stock. The surface is rust-proofed, has passed elasticity testing, meets industry standards, and material testing reports are available. Custom sizes are also supported.
- Executive Standard
- Specification Range
- Grade & Strength
- Common Materials
- Surface Treatment
- Surface Treatment
- Industry Classification
National Standards: GB/T 93 (Standard Type), GB/T 859 (Light Type), GB/T 7244 (Heavy Type); International Standard: ISO 7091; American Standard: ANSI/ASME B18.21.1; German Standards: DIN 127, DIN 128;
Metric specifications: Compatible with thread sizes M1.6~M36, divided into three categories: standard, light, and heavy-duty; Imperial specifications: Compatible with thread sizes #2-56~1-1/2"-12, compatible with UNC/UNF American standard thread systems.
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.
In machinery manufacturing, automotive parts, vibration equipment, and other applications, these products are compatible with bolts and screws to prevent loosening, compensate for loosening after bolts are tightened, and enhance connection reliability.
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 Spring Washers Suppliers and Wholesale Spring 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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