sourcing map Nylon Insert Hex Lock Nuts, 4pcs - M4 x 0.7mm Aluminum Alloy Self-Locking Nut, Anodizing Flange Lock Nut for Fasteners (Sapphire 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 availabl...