For RC enthusiasts maintaining or upgrading a TRF421 chassis, the Tamiya 9803476 2x18mm countersunk hex screws offer a reliable fastening choice. These screws are made to deliver a tight fit that improves chassis stability and track performance.
The countersunk head sits flush with panels on the TRF421, reducing interference with bodywork and helping keep aerodynamic surfaces smooth. The low profile helps prevent snagging and keeps a neat finish.
Produced from quality metal, these hex screws withstand repeated assembly and the stresses of club racing. They secure components firmly against vibration and impact for consistent setup retention.
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