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周小姐 李小姐 廖小姐
緊固件解決方案專家
電話
PEM壓鉚螺母

PEM壓鉚螺母也稱之為鉚螺母或自扣緊螺母,是應用于薄板或鈑金上的一種螺母,外形呈圓形,一端帶有壓花齒及導向槽。其原理是通過壓花齒壓入鈑金的預置孔位,一般而言預置孔的孔徑略小于壓鉚螺母的壓花齒,通過壓力使壓鉚螺母的花齒擠入板內使導致孔的的周邊產生塑性變形,變形物被擠入導向槽,從而產生鎖緊的效果。

周小姐 李小姐 廖小姐
一级A片刺激高潮
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