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What do you do when the screw holes are wallered out?

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LorenMay

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Austin, Texas
Some of my screw holes are wallered out for wing root fairings. I've tried several different things

1. Silicone caulk, "grip nut" to hold the screw in
2. -8 aviation grade wood dowels (toothpicks) and wood glue to fill the hole and rethread the screw
3. Bigger screws.

What do you guys do? My last choice is to go with a bigger screw for aesthetic reasons.
 

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