I have a mth scale wheel gp40 that needs the coupler threads chased with a tap to install the screws properly. the threads are a bit rough from the factory. my question is does anyone know what size tap I need? metric or sae? thanks, dan
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Probably metric, but I'd drill & tap to meet my standards of 2/56 regardless of the starting point.
M2 x .4 i believe.
theteejmiester posted:No matter what the size is tap it 2/56. Pays in the long run. All of mine are 2/56 and I only have to stock a single thread screw in multiple lengths. Makes it easier in the long run
Exactly - standardization.
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