Secure high-strength assemblies with this Hex Head Cap Screw, crafted from Grade 5 steel with a plain finish. The 5/8-18 fine thread and 3-1/2 inch length deliver reliable, vibration-resistant fastening for machinery, automotive, and equipment applications.

• Size: 5/8″-18 (fine thread), length 3-1/2″
• Material: Grade 5 steel
• Finish: Plain
• Head type: Hex head cap screw
• Thread: Fine (5/8-18)

Engineered for strength and durability, this screw is heat-treated to maximize tensile strength while maintaining reliable performance under load. It is well-suited for general-purpose fastening in a wide range of industries.

Ideal for machinery assemblies, automotive work, equipment mounting, and other general-purpose mechanical fastening tasks that require a sturdy 5/8-18 fine-thread cap screw.

Note: Plain finish indicates no protective coating. If corrosion resistance is required for your environment, consider coated variants or alternative finishes.