This kit contains ten identical M4 x 12 cap screws intended for model helicopters and other RC assemblies that accept M4 hardware. It is offered as a compact maintenance pack for common fastening points where an M4 cap screw is required.
Prior to installation verify the mating thread in the component, select the correct driver to avoid slipping, and use moderate torque to protect threads and lightweight structure. These screws serve as general service fasteners, so include them in hinge, frame and gearbox inspections and swap out any that are deformed or worn.
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