| 单词 | castle-nut |
| 释义 | > as lemmascastle-nut castle-nut n. a castellated nut (see castellated adj.). ΘΚΠ society > occupation and work > equipment > building and constructing equipment > fastenings > [noun] > nut > other nuts box nut1794 union nut1835 castle-nut1902 1902 Automobile Rev. July 1 Castle nut, a nut having three grooves cut across its top face to receive a split pin. 1940 Chambers's Techn. Dict. 141/2 Castle nut, a six-sided nut in the top of which six radial slots are cut. Two of these line up with a hole drilled in the bolt or screw, a split pin being inserted to prevent loosening. < as lemmas |
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