Captive panel screws, also referred to as knurled thumb screws or knurled screws, are unthreaded fasteners with threaded ends. These screws can be combined with components such as washers, springs, and retaining rings to create various assemblies. They are commonly found in PC boards and access panels in various industries.

Different Types of Captive Panel Screws

Captive panel screws come in a range of materials, including stainless steel, brass, aluminum, and plastic. The head style can vary based on the application, with options including a flat or round head, such as a pan or knurled head.

Uses of Captive Panel Screws

These fasteners are ideal for applications that require vibration resistance, thermal conductivity, and expansion control, as well as shock resistance. They are commonly used in automotive manufacturing and electronics repair industries due to their ability to quickly remove and reinstall panels.

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