4-40 Aluminum Lock Nuts Small (4) (ASP209A)

These 4-40 Aluminum Lock Nuts (Small) are designed for applications that require secure fastening with minimal added weight. Made from lightweight, durable aluminum, these lock nuts are perfect for preventing loosening due to vibrations or movement, thanks to an integrated locking mechanism. Their compact size and compatibility with 4-40 threaded screws make them ideal for electronics, RC models, drones, and other precision projects where weight and stability are critical.

This pack includes four small aluminum lock nuts, suitable for both replacements and new builds. These lock nuts are an excellent choice for hobbyists, DIY enthusiasts, and professionals seeking a lightweight, secure solution for their small-scale assemblies.