how do I attach a light object, a cup hook, flat washer or hex nut, to an exterior window's steel lintel? I don't want to drill the lintel but I do want the attachment to be permanent.
How to attach a light object, a cup hook, flat washer or hex nut, to a steel lintel
fastenersteel
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Best Answer
Depending how light your object is, a rare earth magnet will do the job nicely for some values of "light" and the particular magnet. Small ones are pretty affordable, hefty ones get expensive.