[100 PKG] Hex Lock Nuts Nylon Inserts Grade C Steel Zinc Yellow 5/16-18

Hex Lock Nuts Nylon Inserts Grade C Steel Zinc Yellow 5/16-18 are engineered for secure, vibration-resistant fastenings in a wide range of mechanical and industrial applications. Featuring a nylon insert, these hex lock nuts grip the bolt under load to resist loosening from vibration and service cycles.

Constructed from Grade C steel for strength and durability, with a zinc yellow finish that provides corrosion resistance and a bright, recognizable appearance for easy identification in assemblies requiring standard finishes.

Key features

• Locking action: Nylon insert creates a secure thread lock to prevent loosening under vibration.
• Material: Grade C steel offers reliable strength for everyday mechanical applications.
• Finish: Zinc yellow coating provides corrosion resistance and high visibility.
• Thread size: 5/16-18 standard coarse thread for common fastener compatibility.
• Hex size: Designed for standard hex sockets, enabling easy installation with common tools.

Applications

Ideal for equipment mounting, automotive assemblies, machinery, electronics enclosures, and any application where a secure, reusable locking nut is required.