Self-sealing stem bolt
Self-sealing stem bolts were, as their name suggested, stem bolts that sealed themselves. The field of application of the self-sealing stem bolts was unclear; even Miles O'Brien, the chief of operations on Deep Space 9, was unaware of their exact use, having spent most of his career not even having seen one. ()

In 2369, Jake Sisko and Nog traded five thousand wrappages of Cardassian yamok sauce for a hundred gross self-sealing stem bolts, to a Lissepian freighter captain. Jake and Nog opened communications with the original buyer of the stem bolts, under the name "The Noh-Jay Consortium", but eventually settled with a trade of seven tessipates of land on Bajor. Nog was skeptical and preferred to stick to the bolts; Jake told Nog that, on land, one can build things, to which Nog replied that nothing could be built without bolts. Nog and Jake then made a deal with Quark to sell the land to a Bajoran government agency. ()

In 2371, an opportunity presented itself to Quark to get rid of a stash of self-sealing stem bolts sitting in Cargo Bay 11. He offered them to a wealthy prospective buyer named Emi for ten s of gold-pressed latinum. Emi claimed that, with the stem bolts, her family would be able to begin triple production of reverse-ratcheting routing planers. Emi, however, was told by Grand Nagus Zek where she could get the bolts at wholesale, for a much-reduced price. ()

While in captivity by the Jem'Hadar, Julian Bashir suggested a discovered escape tool might be either a self-sealing stem bolt or a reverse ratcheting router. ()

In late 2375, O'Brien explained his reasons to Dr. Bashir for taking a teaching post at Starfleet Academy, quipping, "Somebody has to teach you officers the difference between a warp matrix flux capacitor and a self-sealing stem bolt." ()

By 3189 self-sealing stem bolts were considered antiques and were only sold by scavengers, after salvaging them from destroyed spaceships. ()

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de:Selbstdichtender Schaftbolzen
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