Hirobo HI2505003 Pack of 20 M4 Hexagon Nuts for RC Helicopter Repairs  [HI2505003]

Pack Summary for HI2505003 M4 Nuts

The Hirobo HI2505003 M4 hexagon nut pack offers twenty M4 nuts tailored for general RC helicopter assemblies and model repairs. These M4 threaded hex nuts fit common fastening points such as frames, linkage ends and swashplate mounts.

These nuts serve as straightforward replacement hardware during setup and ongoing tuning. Installation is simple: match an M4 hex driver or socket, tighten until secure, and confirm the nut is correctly engaged on the bolt to prevent cross-threading.

Keep this set in your tool kit for flying days to accelerate repairs. Used with correct engagement and, if necessary, a threadlocker, these nuts provide stable fastening and help limit loosening caused by vibration.