[問題] 防止螺絲脫落的裝置
想請問一下,有沒有一種東西是:
螺絲
┬┬
[├┤] 螺母
├┤───→從這個地方的螺紋中夾入一個類似"R"字型的扣環
├┤ 以防止螺母因為震動而掉了,影響安全。
├┤
├┤
┬
請問這個裝置的正確名稱,以及需要在哪邊可以買的到,謝謝。
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