Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake (USA Made) 5/16-18 x 3 1/4

Engineered for strength and reliability, these hex head cap screws deliver robust performance in demanding mechanical assemblies. The Grade 8 steel core provides high tensile strength, while the zinc yellow bake finish offers corrosion resistance and a distinctive, durable appearance. Proudly USA made, these fasteners are trusted by professionals across automotive, industrial, and equipment applications.

• Material: Grade 8 steel for high strength and durability
• Finish: Zinc yellow bake plating for corrosion resistance and a long-lasting finish
• Size: 5/16-18 x 3 1/4
• Head: Hex head for easy driving with standard tools
• Made In: USA
• Ideal For: Automotive, machinery, and industrial equipment assemblies

Choose these fasteners when you need reliable clamping force and consistent performance in high-torque, vibration-prone environments. Add the Hex Head Cap Screws Grade 8 Steel Zinc Yellow Bake (USA Made) 5/16-18 x 3 1/4 to your toolkit today.