Enhance your fastening solutions with this Button Head Socket Cap Screw, designed for secure and efficient assembly. Engineered for precision, it complies with ASME B18.3 specifications and boasts a 4-40 thread size, ideal for a variety of applications. Crafted from high-grade steel with a durable Thermal Black Oxide coating, it offers both strength and corrosion resistance. Featuring a convenient Hex Socket drive type, it ensures easy installation and removal. With a length of .25 inches, it is perfect for projects requiring a compact fastener. Additionally, it is RoHS compliant, making it a sustainable choice for your industrial needs. Elevate your hardware game with this versatile and reliable screw.