[100 PKG] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated Fine Thread (USA Made) 5/8-18X3 1/4

Elevate your fastening with our Hex Head Cap Screws. Made from Grade 8 steel and finished with a zinc yellow plating, these screws deliver exceptional strength, excellent corrosion resistance, and reliable performance in demanding environments. Proudly made in the USA, they feature a fine thread for precise, vibration-resistant assembly.

Product details

• Size: 5/8-18 x 3-1/4 inches (diameter 5/8″, 18 threads per inch, length 3-1/4″)
• Material: Grade 8 steel
• Finish: Zinc yellow plating
• Head style: Hex head cap screw
• Thread type: Fine thread
• Origin: USA made

Why choose these hex head cap screws?

Built for reliability in automotive, machinery, and industrial equipment, these fasteners provide:

• High tensile strength with Grade 8 steel
• Durable zinc yellow plating for corrosion resistance
• Precise, fine-thread engagement for secure, long-lasting assemblies
• Consistent USA-made quality you can trust

Applications

• Automotive and vehicle assemblies
• Machinery mounting and equipment assembly
• Industrial maintenance and repairs
• Engineering and construction projects requiring strong fasteners

Upgrade your toolkit with these dependable hex head cap screws and ensure fast, secure connections on every project.