Socket Head Cap Screws Alloy Steel 1-3/8-12 x 4 are precision-engineered fasteners designed for strong, reliable assembly in machinery, automotive, and industrial equipment. Made from high-strength alloy steel, these screws resist wear and fatigue under demanding conditions, delivering consistent torque and secure clamping.

These socket head cap screws feature a hex socket drive for easy installation and a compact head profile that sits flush or slightly recessed in assemblies where space is limited.

• Size & Thread: 1-3/8 in diameter with 12 threads per inch (1-3/8-12)
• Length: 4 inches
• Head Type: Socket head cap screw with hex drive
• Material: Alloy steel
• Applications: Suitable for machinery, automotive, and general industrial equipment assemblies

For reliable, high-strength fastening, add these alloy steel socket head cap screws to your toolbox and ensure your builds meet demanding performance standards.