stainless steel spring washer

stainless steel spring washer

Introducing our versatile range of High-Strength Standard Spring Washers, engineered as dynamic, elastic components to ensure ultimate joint integrity. These are not merely spacers; they are precision-engineered springs designed to absorb and counteract the forces that lead to fastener loosening, such as vibration, thermal expansion, and load fluctuations. Our manufacturing process focuses on creating a component with optimal elastic properties, allowing it to function like a compressed spring that continuously pushes back against the nut and the substrate. We offer these essential fasteners in a diverse portfolio of materials, including premium SS304 stainless steel and high-conductivity copper, alongside various grades of carbon steel. This material diversity allows you to select the perfect washer for your specific performance requirements, whether you need superior corrosion resistance, electrical conductivity, or maximum tensile strength for heavy-duty applications.

Product Details

The core function of our High-Strength Spring Washer lies in its unique split-ring or “open gasket” geometry, combined with advanced material science. When torque is applied, the washer is flattened, storing potential energy within its hardened structure. This stored energy translates into a constant, unwavering preload on the fastener assembly, effectively locking it in place. Our SS304 stainless steel variants are the premier choice for applications in corrosive, humid, or sanitary environments, offering excellent resistance to rust and chemical agents. The copper washers are ideal for electrical assemblies where maintaining conductivity across the joint is crucial, while also providing good corrosion resistance. All our high-strength washers, regardless of material, can undergo specialized treatments like hardening and spheroidizing to enhance their elastic limit, ensuring they can be used repeatedly without loss of performance.

Product Parameters

The following tables provide a comprehensive overview of the technical specifications for our High-Strength Spring Washers.

General Specifications:

ParameterDescription
Product NameHigh-Strength Standard Spring Washer
Primary MaterialsSS304 Stainless Steel, Copper, Carbon Steel
Available MaterialsBrass, Aluminum Alloys, and other custom alloys
ComplianceDIN, GB, and customer-specified standards
Heat TreatmentsTempered, Hardened, Spheroidized
Surface FinishesNatural Color, Polishing, Galvanizing, Passivation, Powder Coating, Brown Oxide
CustomizationAvailable for special specifications, materials, and finishes
Quality AssuranceRigorous inspection at every production stage

Dimensional Specifications (in mm):

Nominal DiameterInner Diameter (d)Outer Diameter (dc)Material Thickness (h)Total Height (H)
M2.52.2 – 2.341.50.52 – 0.681.2
M32.69 – 2.832.00.7 – 0.91.6
M43.6 – 3.782.751.0 – 1.22.2
M54.45 – 4.753.251.2 – 1.42.6
M65.41 – 5.714.01.5 – 1.73.2
M87.28 – 7.645.01.9 – 2.14.0
M109.23 – 9.596.252.35 – 2.655.0
M1211.1 – 11.537.52.85 – 3.156.0

Product Features

Our High-Strength Spring Washers are defined by their adaptability and superior engineering, offering distinct advantages for any assembly.

  • Advanced Material Options: Beyond standard steel, we specialize in washers made from SS304 stainless steel for unmatched corrosion resistance and copper for excellent electrical and thermal conductivity. This allows for optimized performance in specialized applications.
  • Dynamic Load Compensation: The washer’s design effectively compensates for bolt relaxation and material settlement over time. Its stored elastic energy maintains a consistent clamping force, ensuring the joint remains tight even when subjected to dynamic loads and thermal cycling.
  • Customizable Surface Treatments: We provide an extensive array of finishes, from functional galvanizing for enhanced durability to cosmetic powder coating. Passivation for stainless steel further enhances its anti-corrosion properties, ensuring longevity in harsh conditions.
  • Reliable and Consistent Spring Action: Through precise heat treatment, each washer is imbued with a “mechanical memory,” enabling it to exert a predictable and reliable spring force. This consistency is crucial for uniform performance across thousands of assemblies.

Product Applications

The versatility of our High-Strength Spring Washers enables their use in a broad spectrum of specialized and general applications. The SS304 stainless steel variants are indispensable in the food and beverage industry, medical equipment manufacturing, and marine hardware, where hygiene and resistance to corrosion are non-negotiable. Our copper spring washers are frequently specified for electrical grounding applications, busbar connections, and in electronic chassis to ensure a reliable electrical path while providing mechanical security. The hardened carbon steel versions remain the workhorse for general mechanical engineering, automotive sub-assemblies, and agricultural machinery, providing a cost-effective and robust solution for preventing vibrational loosening. Whatever the challenge, our range of materials and finishes provides a tailored solution for maintaining joint integrity.