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athermalwill t1_j2dn45q wrote

That depends on the strength of the fastener(s). Vertically, coarse thread screws. Horizontally, nails have the most sheer strength.

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Jolly-Performer OP t1_j2f3u4t wrote

Oh, right, because unthreaded is stronger sheer strength than threaded. Believe it or not I worked in the fastener dept. of a hardware store not long ago. I was hoping to learn some home repair while I looked for a better job but I didn't learn much at all.

I did learn to try to steer people to a through bolt with nut/washer instead of a wood screw when hanging overhead. It's amazing the things people tried to hang from the ceiling with an eye screw...

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athermalwill t1_j2f7bhm wrote

It’s not just the design. The steel nails are made from is stronger. Unless you’re using a structural screw. Those are very strong.

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