Elevate your fastening solutions with our Button Head Socket Cap Screw. Crafted from durable stainless steel, this screw is designed for precision and reliability. With a thread size of 4-40 and a length of .5 inches, it is perfect for various applications. The hex socket drive ensures easy installation, while its ASME B18.3 specification guarantees top-notch quality. Rest assured, this screw is also RoHS compliant, making it a sustainable choice for your projects. Upgrade your hardware collection with this essential component.