Supplied as a set of ten, these 4 x 8mm hex socket set screws are intended for model and RC applications where compact recessed fastening is needed. They offer a basic replacement option for worn fixings and are used to keep small components secure during assembly, servicing, and setup. The internal hex is compatible with standard hobby hex drivers commonly found in tool kits.
Fitting is straightforward: align the components, thread the set screw into the mating hole, and tighten with the correct hex driver until the part is secure without over-tightening. For plastic or soft materials take care with torque to avoid stripping threads. These fasteners help retain repeatable assembly positions after servicing or upgrades.
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