Anyone else find random grade 2 hardware where grade 5 should be?

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Pulled apart a canopy anchor last week on a handover inspection — guy used whatever galvanized bolts were closest in the truck. Full structural connection, heavy snow load area. Didn't fail but it was only a matter of time. The worst part is it looked totally fine on a visual walkthrough. Same size, same thread pitch, no visible damage. You'd never know without checking the head markings. Started requiring my crew to photograph fastener head markings before installation on anything structural...