塑料螺母（plastic nuts），又称塑胶螺母，国内常用的塑料螺母多为尼龙66（NYLON66）制成，所以也可 塑料螺母以叫尼龙螺母。
制作链锯确实无需高深科技，只是用传统的螺丝螺母将塑料手柄和金属链条加以组合。
There is no particularly special technology needed to make a chainsaw. It's really just plastic and metal parts screwed together with old-fashioned nuts and bolts.
这只不过是一块塑料大螺母和螺栓在每个结束。
It is simply a piece of plastic with a large nut and bolt at each end.
本发明涉及一种发动机的带塑料风叶的组合飞轮，该组合飞轮用飞轮螺母固定在发动机曲轴前端上。
The invention relates to a sectional flywheel with a plastic fan blade for an engine, which is fixed on the front end of an engine crankshaft by a flywheel nut.
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