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  1. rdrown

    Filling screw holes in plastic (polystyrene?) nose cone.

    I have a 4 inch mad cow patriot kit and it has a plastic nose cone. I had to add 100 grams of lead to nose and glued it in with gorilla glue polyurethane glue. I then inserted three screws into the glue and lead. The screws are countersink and I would like to fill this in to smooth it out...