safety nut

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ThesaurusAntonymsRelated WordsSynonymsLegend: nut - supplementary nut that is screwed down on a primary nut to prevent it from loosening
nut - a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt
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Suddenly, I'm a safety nut, which is interesting, because I'm more commonly accused of putting my dogs at risk (because I often walk with them off-leash on trails).
It soon became clear that this wouldn't be the case, however, because the person driving the train at that time of night is such a safety nut that he or she lays on that horn long enough to ensure that everyone in three counties hears it at every crossing.
This actuator is available with a variety of special options including motor rotation in any direction, strong motor, anti-squeeze protection, brake, safety nut and reed switch.
And if you're a safety nut, BMW say all Z4 models sold in the UK will have 16in get-you-home run-flat tyres, traction and dynamic stability control, anti-lock brakes and four airbags as standard.
Iacocca, the self-avowed safety nut, complaining at one point that those who favored air bags believed that "the citizens of the U.
Options include safety nut, mounting bracket and reed-switch for parallel and memory functions.