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I know, 74 I am thinking of other uses for it that we are not even thinking about for a SHTF. All the epoxies are great for this. You are not going to be welding when there is danger all around you. You need a quick fix. I also find that I can’t weld steel to concrete. Maybe in the future! Also not easy to weld aluminum to steel or brass to aluminum.

How about a rebar to a hole in a block or concrete. Oh and plastic to steel.