Which MDF thickness - 10 or 16mm for side roller plates?

Hello! Please some advice:

Here in Portugal I have access to 10mm or 16 mm thick MDF . Which one should I use to make the side plates? 1/2 inch plywood is about 13 mm metric. Is 10mm mdf strong enough? I would prefer 16mm thick mdf but I’m not sure if the bolts used are long enough…

Thanks

Err on the side of stronger, so 16.

 

The parts page explains this and how to size the bolts correctly.

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