Nylon Insert Hex Lock Nuts, 10pcs - M4 x 0.7mm Aluminum Alloy Self-Locking Flange Nut (Sky Blue)

Good Material: Made of good quality aluminum alloy, these lock nuts are lightweight, corrosion-resistant, and can withstand harsh environments without losing their grip.
Non-Loosening Design: The nylon insert of these hex lock nuts provides the additional locking force, preventing any loosening or accidental disassembly of the fasteners.
Multiple Options: These hex lock nuts are available in different sizes and colors to provide you with a wide range of choices based on your application requirements.
Scope of Application: These Nylon Insert Hex Lock Nuts are commonly used in automotive, industrial, construction, and electrical industries due to their strength, reliability, and durability. They can be used with bolts, screws, or other threaded fasteners, making them an essential component of any secure assembly.