Upgrade your fastener lineup with our Hex Head Cap Screws Grade 5 Steel in plain finish, featuring a fine thread for precision assembly. These screws are sized 1/2-20 x 3-1/2, offering both strength and versatility for demanding applications.

Key specifications

• Head type: Hex head cap screw
• Material: Grade 5 steel
• Finish: Plain (unplated)
• Size: 1/2 diameter
• Thread type: Fine thread, 20 TPI
• Length: 3-1/2 in
• Drive type: External hex (requires standard wrench or socket)

Why choose Grade 5 and plain finish?

Grade 5 steel offers a solid balance of strength, toughness, and affordability for general industrial use. The plain finish keeps components clean and free of plating buildup, and it is well-suited for assemblies where corrosion resistance is not the primary concern or where a separate coating will be applied.

Ideal applications

Use these fasteners for mounting brackets, machinery frames, automotive assemblies, and equipment where a robust, reliable connection is essential.