The Hex Lock Nuts Serrated Flange Steel Zinc 5/16-18 are engineered for secure, vibration-resistant fastening in a wide range of projects. With a serrated flange and a zinc finish, these nuts deliver dependable performance in automotive, machinery, and outdoor applications.

• Size / Thread: 5/16-18 UNC (coarse)
• Material: Steel
• Finish: Zinc-plated for corrosion resistance
• Design: Hex lock nut with serrated flange
• Locking and Stability: Serrated flange grips mounting surfaces to reduce loosening caused by vibration
• Load Distribution: Flange distributes clamping force, minimizing the need for washers
• Applications: Ideal for automotive, machinery, construction, and outdoor equipment

Choose Hex Lock Nuts Serrated Flange Steel Zinc 5/16-18 for reliable, long-lasting fastening performance in environments where vibration and corrosion are factors.