Enhance the security of your fastening applications with our Button Head Socket Cap Screw. Crafted from durable steel with a material grade of 10.9, it ensures reliable performance and longevity. The Thermal Black Oxide finish provides corrosion resistance, making it suitable for various environments. Featuring a 5-40 thread size and a length of .3125 inches, it is perfect for securing small components. The hex socket drive type offers easy installation and removal. Rest assured, this screw is compliant with RoHS regulations, making it an environmentally friendly choice for your projects. Trust in its ASME B18.3 specification for guaranteed quality and performance.