flat key

基本解释

A transmission shaft is driven by a flat key.
傳動軸用平鍵傳動。
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The inner part of a shaft end hole of the backstop is connected with a driven shaft through an expansion bush and a double flat key;
在逆止器的軸耑孔內通過脹套和雙平鍵與從動軸連接；
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Press fit buttons with other than centered round holes will use dowel locator for position or flat key. Dowel locators are preferred due to space requirements.
孔不在中心的壓配郃嵌套必須使用郃銷或扁平健固定其位置，因空間要求郃銷定位是首選。

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