Plural of fastener; devices or materials used to attach or secure things together, such as bolts, screws, nails, or clips.
From 'fasten' (Old Norse 'fastan,' to make firm) plus agent suffix '-er' (one who does), plus plural '-s.' The root means 'to make secure or firm.'
Fasteners are the unsung heroes of engineering—bridges, buildings, and aircraft depend entirely on millions of tiny bolts and screws choosing not to fail!
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