Introducing a durable and versatile hardware solution for your fastening needs – the Flat Head Socket Cap Screw. Conforming to ASME B18.3 specifications, this screw is precision-crafted from high-quality steel to ensure reliable performance. Featuring a thread size of 4-40 and a sleek black zinc finish coating, it not only offers corrosion resistance but also adds a touch of sophistication to your projects. With a length of .25 inches, it is perfect for a wide range of applications. Trust in the quality and functionality of this essential component for your industrial, mechanical, or DIY projects.