1/2-20 X 3-1/2" Socket Cap Screws | Hex Socket Drive | 18/8 Stainless Steel (25 / Pkg.)

Engineered for demanding assemblies, Socket Head Cap Screws in 18/8 stainless steel deliver reliable strength and corrosion resistance in a compact, drive-ready form. The 1/2-20 thread and 3-1/2 inch length make these fasteners ideal for machinery, automotive, and industrial applications where a high-strength fastener is required.

Key Features

• Material: 18/8 stainless steel (AISI 304) for excellent corrosion resistance
• Head type: Socket Head Cap Screw for a clean, recessed profile
• Drive: Internal hex (Allen) drive for secure torque transfer
• Thread specification: 1/2-20 UNC coarse thread
• Length: 3-1/2 inches
• Applications: Suitable for heavy-duty machinery, automotive, and equipment where stainless fasteners are preferred

Specifications

• Material: 18/8 stainless steel (AISI 304)
• Head style: Socket Head Cap Screw
• Drive type: Internal hex (Allen)
• Thread: 1/2-20 UNC
• Length: 3-1/2 in

Applications

• Machinery assembly and maintenance
• Automotive and automotive aftermarket projects
• Industrial equipment and heavy-duty installations
• Marine and wet environments where stainless fasteners are advantageous

Installation Tips

• Use a compatible 1/2 inch Allen wrench to achieve proper torque
• For applications requiring vibration resistance, consider a suitable thread-locking compound as recommended by the manufacturer
• Ensure mating nuts and threaded holes are clean and free of debris to prevent cross-threading