The Button Head Socket Cap Screw, a versatile fastening solution designed for precision and durability. Crafted from high-grade Steel with a Thermal Black Oxide finish, this screw offers excellent corrosion resistance and a sleek aesthetic. Compliant with ASME B18.3 standards, it guarantees optimal performance in various applications. Featuring a 4-40 thread size and a length of .5 inches, it is perfect for securing components with efficiency and ease. The Hex Socket drive type ensures a secure grip during installation, while its 10.9 material grade guarantees strength and reliability. RoHS compliant, this screw is also environmentally friendly, making it the perfect choice for your projects. Upgrade your fastening needs with the Button Head Socket Cap Screw.