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周小姐 李小姐 廖小姐
緊固件解決方案專家
電話
沉頭鉚螺母

鉚螺母從使用角度來說,平頭鉚螺母的緊固效果更好,一般都使用這種鉚螺母。但是會有些地方要求鉚接以后表面是平的,所以工藝上可以先打個沉孔,然后用沉頭型的鉚螺母拉鉚,這樣鉚接完成后,被鉚接的表面是平整的。但沉頭的機械性能會低于平頭鉚螺母。

周小姐 李小姐 廖小姐
一级A片刺激高潮
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