Speedway Motors Steel Nylock Hex Nuts, 5/8-18 Fine Thread Lock Nuts, Nylon Insert Self-Locking Fasteners for Suspension, Chassis, and Automotive Hardware Applications, 25 Pack

This Thin Nylock Nut Kit contains 25 pieces. These nylocks are 5/8 Inch-18 thread with a self locking nylon insert in the thread. They are designed to increase locking force and prevent the nut from coming loose. Item Details5/8" - 18

• NYLON INSERT LOCKING DESIGN – Built-in nylon insert helps prevent loosening caused by vibration, keeping critical fasteners secure in automotive, racing, and mechanical assemblies.
• 5/8-18 FINE THREAD SIZE – Precision 5/8 inch-18 fine thread design provides strong clamping force and reliable engagement for compatible studs and bolts.
• DURABLE STEEL CONSTRUCTION – Manufactured from strong steel for dependable durability, making these lock nuts suitable for demanding automotive and mechanical applications.
• AUTOMOTIVE & CHASSIS HARDWARE – Ideal for suspension components, chassis assembly, and other vehicle hardware where vibration-resistant fasteners are required.
• CONVENIENT 25 PACK – Includes twenty-five locking hex nuts, providing plenty of hardware for multiple installations, replacements, or shop inventory needs.