二維碼
2305-800108 鎖緊螺母（上汽紅巖）
濟南向前汽車配件有限公司
8
濟南向前汽車配件有限公司
微信號：18660103049
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2305-800108 鎖緊螺母（上汽紅巖）
詳細信息   
The locking nut of the standard type is a round nut with four small slots around it. A crescent wrench can be used to tighten the screw. The locking nut should be equipped with a shaft washer, which can make the small slot on the screw body relatively fixed with the small slot around it to prevent its loosening. At present, lock nut has a variety of new design, different, but its purpose is to prevent looseness.
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