China Coil Spring Washers Manufacturer, Supplier, Factory

Coil Spring Washers are essential components in various industrial and mechanical applications, providing reliable spring tension and vibration resistance. These washers are designed to maintain bolt tension and prevent loosening under dynamic loads. Our range includes Light Type Spring Lock Washers, ideal for low-pressure applications where minimal spring force is required. For standard use, our Single Coil Spring Lock Washers offer balanced performance and durability. We also provide versatile Spring Lock Washers suitable for general fastening needs, as well as specialized Coil Spring Lock Washers engineered for high-stress environments. Each product is manufactured to precise specifications, ensuring consistent quality and performance in demanding conditions.


Coil Spring Washers are crafted from high-grade materials such as carbon steel, stainless steel, and alloy steel to withstand extreme temperatures and corrosive environments. The design of Coil Spring Washers includes a helical coil that applies continuous pressure, compensating for material relaxation and thermal expansion. Key parameters include inner diameter, outer diameter, thickness, and load capacity, all tailored to meet industry standards. Below is a detailed table outlining the specifications for our Coil Spring Washers:

ParameterLight TypeSingle CoilStandard Spring LockCoil Spring Lock
MaterialCarbon SteelStainless SteelAlloy SteelHigh-Tensile Steel
Inner Diameter (mm)5 - 206 - 258 - 3010 - 40
Outer Diameter (mm)10 - 3012 - 3515 - 4020 - 50
Thickness (mm)1.0 - 2.51.5 - 3.02.0 - 4.02.5 - 5.0
Load Capacity (N)50 - 200100 - 400200 - 600300 - 800
Temperature Range (°C)-20 to 120-40 to 200-50 to 250-60 to 300

Additionally, here is a list of common applications for Coil Spring Washers:

  • Automotive assemblies for engine and chassis components
  • Machinery and equipment in manufacturing plants
  • Electronics and electrical enclosures
  • Aerospace and defense systems
  • Construction and structural fastening

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