This captive heat sink screw features a spring-loaded design that ensures a secure mechanical connection with a set preload, even in the face of shock, vibration, and thermal expansion. Crafted from durable aluminum alloy with a zinc-plated finish, this screw is designed for long-lasting performance. The versatile slotted/phillips drive type allows for easy installation, making it a convenient choice for a variety of applications. Rest assured, this screw is also compliant with RoHS regulations, meeting environmental standards for peace of mind.