产品细节图及参数表格
表面处理
电镀锌（白锌、彩锌、蓝白锌），热镀锌，达克罗，粉末渗锌。
产品作用
螺母副在安装的过程中,螺栓的螺纹对螺母中嵌入的尼龙挤压,使得尼龙变形,安装完毕后,尼龙和螺纹完全是挤压接触,被挤压的尼龙对螺栓产生一个很大的回弹力,增大了摩擦，这个力使得螺栓不容易松动。
（以上产品描述及产品图片可供参考，具体事宜可根据客户的要求进行商议）
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