Description Experience strong, dependable fastening with the Socket Head Cap Screws Alloy Steel 1-1/2-12 X 3-1/2. These high-strength fasteners are built from durable alloy steel and feature a socket (internal hex) drive for a clean, low-profile installation. Material: Alloy steel for enhanced strength and durability. Head Type: Socket head cap screw with an internal hex drive for a low-profile, high-torque connection. Size: 1-1/2-12 thread size, 3-1/2 inches long. Applications: Ideal for machine assemblies, automotive equipment, and other heavy-duty fastening applications. Performance: Designed to withstand high torque and secure fastenings in demanding environments. Whether you’re replacing worn fasteners or stocking up for future projects, these socket head cap screws deliver reliable performance in a range of industrial applications.