单词 | safety nut |
释义 | safety nut (once / 1477414 pages) n WORD FAMILY safety nut USAGE EXAMPLESAn excellent method of preventing a nut from slackening back of itself is shown in the safety nut in Fig. Rose, Joshua, Modern Machine-Shop Practice, Volum...(2012) The Atwood Safety Nut Company manufacture this article in a variety of forms. Various, Scientific American, Volume XLIII....(2010) The oxygen valve also includes a safety nut having a small hole through it closed by a fusible metal which melts at 250° Fahrenheit. Manly, Harold P. (Harold Phillips), Oxy-Acetylene Welding and Cutting—E...(2010) n supplementary nut that is screwed down on a primary nut to prevent it from loosening Syn|Hyper locknut nut a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt |
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