Enhance the structural integrity of your projects with our Flat Head Socket Cap Screw. Crafted from durable stainless steel and featuring a sleek black passivate finish, this screw is not only visually appealing but also offers superior corrosion resistance. Its ASME B18.3 specification guarantees high quality, while its 4-40 thread size ensures a secure fit. With a length of 0.5 inches, it's perfect for various applications. Rest assured, this screw is also RoHS compliant, making it an environmentally friendly choice for your fastening needs. Trust in its reliability for your next project.