Definition of screw plate in English:

screw plate

noun

词汇	screw plate
释义	Definition of screw plate in English: screw plate noun A steel plate with threaded holes for making male screws. 搓丝板，板牙，螺丝模 Example sentencesExamples The resulting tap could then be used to make a matching screw plate. To make a bolt, a smith clamped the screw plate onto a rod of cold, soft iron and turned it down the rod. Presumably he used the screw plates to make steel taps for threading nuts as needed. The sharp, flat surfaces of the new thread departed from the more rounded ‘U’ shape of the old threads made with a two-piece screw plate.
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