When I re-do one of the cameras I pull the hardware off & re-fill & strengthen every screw hole. Not doing so is asking for problems later

WarEaglemtn, what are you using to fill the screw holes? I'm refinishing a b&j grover 8x10 and an 11x14 seneca camera city view and have been a little worried that the screws might not be as sturdy as when I took them out.