Hirobo HI2505003 M4 Hexagon Nut 20 pcs for RC helicopter general parts  [HI2505003]

M4 Hexagon Nut Pack for RC Helicopters

This Hirobo HI2505003 M4 hexagon nut pack delivers a straightforward set of 20 pcs intended for RC-scale helicopter general parts and small model assemblies. The listing identifies the item as M4 threaded hex nuts, making them suitable wherever M4 fastening is required on frames, linkages, swashplate mounts and related assemblies.

The part functions as a basic fastening element in maintenance and tuning tasks, allowing hobbyists to replace lost or worn nuts during routine service. Installation is simple, tighten with an appropriately sized hex driver to match the M4 thread, and check engagement on mating bolts to avoid cross-threading.

When stocking spares for field use, keep the pack accessible with other common fasteners to speed repairs. These nuts act as conservative, repeatable fasteners; pairing them with the correct thread engagement and threadlocker where appropriate helps preserve alignment and reduces loosening under vibration.