4mm Light Blue Aluminum Lock Nuts (10 Pcs) - 3RAC-N40/LB by 3Racing  [3RAC-N40/LB]

Reliable 4mm Aluminum Lock Nuts for RC Use

Enhance the reliability of your RC components with these 4mm aluminum lock nuts finished in light blue. Built to hold parts firmly in place, they offer a low-weight fastening option that helps prevent loosening during running and impacts.

Versatile Fit and Typical Uses

These 4mm nuts suit a wide variety of common RC assemblies, from chassis fittings to accessory mounts. The anodized light blue finish provides both corrosion resistance and a neat visual upgrade for visible hardware.

Lightweight Strength Advantages

Aluminum lock nuts balance strength and reduced mass, which helps preserve vehicle performance while resisting wear. They are a practical choice when you need dependable fastening without adding unnecessary weight.