uxcell Insulating Washer 500Pcs 3mm x 8mm x 0.5mm Red Vulcanized Fiber Washer, Insulation Gasket for Motherboard

Thanks. That's what I was thinking of using. Like these: https://www.amazon.com/dp/B07R8CH9BL 0.5mm thick. I really don't want to overtighten.