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Definition and Function: Car shoulder washers are specialized fasteners designed to provide a stable and secure interface between components in automotive applications. They feature a raised shoulder that helps distribute load and prevent damage to the surfaces being joined.

Material Composition: Car shoulder washers are typically made from durable materials such as nylon, rubber, or metal, depending on the specific requirements of the application. The choice of material affects the washer's resistance to wear, temperature, and chemical exposure.

Design Features: Car shoulder washers come in various sizes and designs, often with a central hole for a bolt or screw. The shoulder height and diameter can vary, allowing for customization based on the specific needs of the assembly, such as spacing and load distribution.

Installation Benefits: The use of shoulder washers simplifies the installation process by providing a precise fit and alignment for fasteners. This ensures that components are securely held in place while minimizing the risk of loosening or misalignment during operation.

Applications in Automotive Industry: Car shoulder washers are commonly used in various automotive applications, including engine assemblies, suspension systems, and electrical connections. Their ability to enhance stability and reduce friction makes them essential for maintaining the performance and longevity of automotive components.