Enhance your fastening solutions with our Button Head Socket Cap Screw, a versatile and durable component designed for optimal performance. Crafted from high-grade steel and finished with Thermal Black Oxide coating, it offers both strength and corrosion resistance, ensuring longevity in various applications. Compliant with ASME B18.3 specifications, this screw features a 5/16-18 thread size and a precise 0.5-inch length, perfect for securely fastening components. With a 10.9 material grade and a hex socket drive type, it guarantees reliability and ease of installation. Rest assured, our screw also meets RoHS compliance standards, making it an environmentally responsible choice. Upgrade your fastening arsenal with this essential hardware item.