Near a construction site, I found a few 3" pan head self-tapping sheet metal screws--- but they were all bright red in color. What's that all about?
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14 years ago
Screw it
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14 years ago
cover screws for a trough that had fire alarm wiring in it? just a guess
nate
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14 years ago
Could be for concrete.
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14 years ago
Electronics maybe?
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14 years ago
The concrete screws I've seen were blue. But, who can tell....
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14 years ago
Could be red screws rolled out of the truck floor, near the construction site.
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14 years ago
I think the poster who said 'alarm system' nailed it. They just refreshed the system at work, and all the enclosures and large conduit runs are fire engine red. Including the screws holding the strapping and mounting brackets.
-- aem sends...
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14 years ago
Any red steel roofs around there? Although they would normally have a rubber washer on them.
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14 years ago
Sometimes the screws on a garage door pertaining to spring pressure will be red.
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14 years ago
Red screws in general are a sign of danger in millions of products for many years. I know of them being used back around 1953, not sure how much further back the practice goes. If you need to take something apart, remove all but the red screws first and see if it comes apart far enough without springs and things flying across the room.