[50 PKG] Socket Head Cap Screws Alloy Steel Thermal Black Oxide 1/2-13 X 3

Socket Head Cap Screws Alloy steel with a thermal black oxide finish for durability and a professional, low-glare appearance. These screws measure 1/2-13 in thread size and 3 inches in length, designed for high-torque assemblies where a recessed, Allen-drive head is preferred.

Made from high-strength alloy steel, these socket head cap screws deliver reliable clamping force and resist wear in demanding environments. The thermal black oxide finish provides moderate corrosion resistance and a sleek, understated look that blends into most assemblies.

Key specifications

• Thread size: 1/2-13
• Length: 3 in
• Material: Alloy steel
• Finish: Thermal black oxide
• Drive type: Socket head (internal hex)
• Head style: Socket head cap screw

Applications: Ideal for machinery, automotive components, equipment housings, and other precision assemblies where a high-torque, clean-looking fastener is required. Compatible with standard 1/2-13 threaded holes and nuts.