Description Socket Head Cap Screws Alloy Steel 1-1/2-12 x 5-1/2 are engineered for high-strength fastening in demanding industrial applications. Made from premium alloy steel, these fasteners deliver reliable performance in machinery, automotive, and equipment assemblies. Key Specifications Material: Alloy steel for superior strength and durability. Size: 1-1/2″ diameter with 12 threads per inch (1-1/2-12 UNC). Length: 5-1/2″ overall. Drive: Socket head with internal hex drive for flush installation. Head Style: Socket head cap screw. Applications: Ideal for machine assemblies, automotive components, and other heavy-duty fastening needs. Why choose socket head cap screws? The recessed drive provides a clean, low-profile finish while distributing torque for secure, repeatable clamping. These alloy steel screws resist wear and provide dependable performance in challenging environments, making them a staple choice for professionals seeking high-quality fasteners. Add these socket head cap screws to your toolkit and ensure dependable assembly for your next project.