This cap screw kit is offered under the Hirobo model HI2532084 and includes 10 pieces of M2 x 8 cap screws for RC helicopter use. The screws are intended as spare fasteners for small structural and mechanical connections that require M2 threads.
Rather than being model-specific, fitment is broad across helicopter components; confirm your airframe's parts list for M2 fastener requirements before installation. The supplier data names size and thread but does not list materials, so verify alloy or plated finish needs if you require corrosion protection or specific mechanical properties.
On installation: these screws fasten linkages and minor components that influence trim and control. Use consistent torque to maintain predictable response and avoid overtightening to prevent stripping M2 threads. Replace any screws that show signs of fatigue as part of regular maintenance.
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