The Button Head Socket Cap Screw, a versatile fastening solution crafted from durable steel with a 10.9 material grade. Designed to ASME B18.3 specifications, this screw features a 1/4-20 thread size and a length of .625 inches, making it perfect for a variety of applications. The sleek Thermal Black Oxide finish not only enhances its appearance but also provides corrosion resistance. With a hex socket drive type, installation is easy and secure. Plus, rest assured of its environmental compliance with RoHS certification. Trust in the quality and reliability of this essential component for your projects.