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Spring Washers: How to Use Them & Their Purpose

Mar. 25, 2024

A washer is a thin plate with a central hole that is commonly employed to evenly distribute the load of a threaded fastener. Given the wide range of options available, it's crucial to comprehend the various types of washers and their respective applications. In this blog post, we'll delve into spring washers, their usage, and their significance.


What is a Spring Washer?


Spring washers are a specific type of washer characterized by their conical shape, which prevents them from sitting flat against a surface when no load is present. They are engineered to exert a spring force and absorb shock by applying an axial load that counters vibrations. Consequently, spring washers play a vital role in preventing fasteners from loosening over time.


Spring washer is widely used in load-bearing and non load-bearing structures of general mechanical products. It is characterized by low cost and convenient installation. It is suitable for parts with frequent assembly and disassembly. It is made of stainless steel and carbon steel, which is iron.


spring washer use

Spring Washer Purpose


The primary purpose of spring washers is to provide tension and preload in a joint assembly. This helps to maintain clamping force and prevent loosening or loss of tension due to vibration, thermal cycling, or other factors.

Spring washers are essential components in assembly applications, serving to eliminate rattling, sustain assembly tension, absorb shock loads, and offer controlled reactions for dynamic loads. These components are ideal in industries that involve high-vibration machineries such as electrical, industrial, oil & gas, and valve applications. It is important to note that the deflection rate of the washer is contingent on the washer's dimensions and materials. Thicker and taller spring washers, such as Belleville conical spring washers, are capable of sustaining heavier loads and are more efficient in supporting higher tension in bolted applications. Our Belleville spring washers are designed to outperform conventional springs by exerting a tighter tension force, effectively locking the nut into place.


How to Use a Spring Washer


Installing spring washers is similar to flat washers. Follow these steps for a secure connection:


1. Position the spring washer beneath the threaded fastener, ensuring that the concave side faces the flange or bearing surface. The convex side of the washer should make contact with either the nut or the bolt head, or both. Placing the spring washer below the fastener helps it hold the nut or threaded fastener in place.


2. Ensure that the washer is flush against both the fastener and the surface to establish a tight connection.


3. Use the appropriate torque to tighten the fastener securely and ensure safe application. This can be achieved by turning a wrench or ratchet clockwise. For precise torque values, refer to our detailed guide on calculating torque for tightening bolts.


4. Finally, inspect the washer to ensure proper functionality. If the washer is not functioning correctly, loosen the nut or threaded fastener and adjust the washer accordingly.




Spring washers are simple yet indispensable components in mechanical assemblies, providing tension and preventing loosening of fasteners in various applications. By understanding their functionality and proper usage, engineers and technicians can ensure the reliability and longevity of their assemblies. Whether in automotive, construction, manufacturing, or aerospace, spring washers play a crucial role in maintaining secure connections and enhancing overall safety. For high-quality spring washers, feel free to contact us, your trusted supplier, for expert guidance and assistance.

spring washer use