产品细节图及参数表格
机械性能
硬度等级：热处理硬度为HRC44～51HRC。
表面处理
发蓝，电镀锌（白锌、彩锌、蓝白锌），热镀锌，达克罗，粉末渗锌或不经表面处理。
产品作用及用途
1、弹簧垫圈的基本作用是：螺母拧紧之后给螺母一个力，增大螺母和螺栓之间的摩擦力，抵紧螺母，使其不易脱落。
2、弹簧垫圈安装在螺母下面，与其配合，用专用板手将螺母旋紧到规定的标准力矩后，螺母可起到防松作用。
（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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