Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/8-18 x 3-1/2 are high-strength fasteners designed for durable, load-bearing assemblies. Crafted from Grade 8 steel and manufactured in the USA, these hex head cap screws deliver reliable performance in demanding environments.

Key features:

• Material: Grade 8 steel
• Finish: Plain (uncoated)
• Head style: Hex head
• Thread size: 5/8-18 UNC
• Length: 3-1/2 inches
• Drive: Hex
• Origin: USA made

Ideal for automotive, industrial machinery, construction, and equipment applications where high strength and dependable fastening are required. The plain finish provides a clean surface for assemblies where coatings are not used or where coatings will be applied later.

Choose these Grade 8 hex screws for maximum torque transfer, superior load bearing capacity, and durable performance in challenging environments.