3RACING 3RAC-N40/SI 4mm Silver Lock Nuts 10 Pcs  [3RAC-N40/SI]

3RACING 3RAC-N40/SI Aluminum Lock Nuts for Secure Builds

The 4mm silver lock nuts from 3RACING are made to secure small fastenings across your RC model, providing steady clamping where play or loosening is a worry. They suit both track and club use.

Why Pick Aluminum Lock Nuts

Aluminum gives a useful weight saving while retaining good fatigue resistance, which benefits scale and performance models. The compact 4mm size is versatile for many mounting points.

Where to Fit These Nuts

They work well on parts exposed to vibration like wheel hexes, suspension link mounts, and servo brackets. The silver plating helps reduce surface wear and keeps threads serviceable through repeated use.