Targeted at builders who demand durable connections, the Tamiya 53448 - 4mm Hard Lock-Nut & Spacer Set secures parts against loosening from vibration and impacts. It is a no-nonsense upgrade to harden key mounting points on your model.
The Tamiya 53448 pack features hardened lock-nuts paired with precision spacers to keep assemblies tight during hard use. The lock-nuts resist backing off while spacers preserve correct component spacing for reliable operation.
These nuts and spacers are compatible with many Tamiya RC layouts and support both street and off-road setups, giving you a simple path to more secure hardware.
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