briantucker
Member
We're replacing our cowl screws as many of them are stripped and I'm completely unsure of what screws to purchase. It looks like there are both structural and non-structural options, as well as cad plated vs stainless ones. We currently have tinnerman washers for all of them and would continue using those going forward. Any advice on what to purchase? We've looked at torx screws but I'm not sure if there are aviation grade ones available.