Secure, durable fastening with our Hex Machine Screw Nuts in Steel with a Black Zinc finish. Sized for 5/16-18 machine screws, these nuts provide reliable performance in automotive, industrial, and general hardware applications.

Constructed from high-strength steel and finished with Black Zinc for a low-profile, corrosion-resistant coating, these hex nuts are built to withstand everyday wear and tear while maintaining a clean, professional appearance.

• Material: Steel
• Finish: Black Zinc
• Thread Size: 5/16-18
• Type: Hex machine screw nut
• Compatibility: Designed for use with 5/16-18 machine screws
• Applications: Automotive, machinery, equipment assembly, and general fastener projects

Add these hex nuts to your toolkit for dependable, repeatable results in any project requiring sturdy steel fasteners with a discreet, durable finish.