The Holo-Krome M5 x 8mm Metric Socket Head Cap Screws are high-quality fasteners made in the United States. With a grade of 12.9, these steel and alloy steel screws are designed for durability and reliability. The black oxide finish adds corrosion resistance, while the hex-key drive style makes installation and removal easy. This pack of 100 screws features a socket cap head design, perfect for a secure and professional finish in various industrial and business applications.