For model builders working on Tamiya TT-01 or TT-01 TYPE E cars, the 3Racing M3 x 18 Step Screw (Heavy Duty) provides a firmer fastener option. It is intended to keep assemblies tight and consistent through regular use.
The heavy duty profile improves resistance to wear and loosening, helping components stay aligned even after repeated running. These screws are a sensible upgrade for routine service parts.
Specifically matched to Tamiya TT-01 and TT-01 TYPE E fittings, the screws support consistent assembly and straightforward repairs without complex modifications.
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