This HUDY titanium M4 serrated flange nut set is an RC-scale wheel fastening item supplied as a set of 4 pcs, intended for models that use M4 threaded wheel mounts. The serrated flange increases contact against the wheel surface to resist gradual loosening from vibrations typical in club and track driving.
Use these nuts when you need a corrosion-resistant, long-life fastening that keeps weight down compared with heavier materials. They are ideal for regular track use where reliable wheel retention is important.
Fitting requires standard wheel-service practice: screw the nut onto the M4 stud, make sure the flange sits flat against the wheel or adapter, and tighten carefully until the serrations lock. Do not exceed manufacturer torque limits to protect threads and hub components.
A small but effective upgrade for M4-threaded wheel fittings where preventing loosening and resisting corrosion are priorities for serious RC drivers.
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