Enhance your fastening solutions with this Button Head Socket Cap Screw, meticulously designed to deliver impeccable performance. Crafted from durable Steel and boasting a Thermal Black Oxide finish, this screw is not only resilient but also visually appealing. Compliant with ASME B18.3 standards, it guarantees quality and precision. The 4-40 thread size ensures a secure fit, while the 10.9 material grade signifies top-notch strength. With a drive type of Hex Socket, installation is a breeze. Measuring at .75 inches in length, it's perfect for a variety of applications. Plus, its RoHS compliance underscores our commitment to environmental responsibility. Elevate your projects with this premium screw.