DIN 7993 Part B，孔用挡圈，Internal Snap Rings Internal Snap Rings to DIN 7993 Part B用于带有半圆形凹槽的轴的轴向安装卡环。用硬化的圆截面钢丝制造。标准材料：碳素弹簧钢标准表面处理：本色和涂油测量单位：毫米(mm)卡簧又叫挡圈，防止轴与套相对滑动致脱落。是起到限位的作用。挡圈钳与卡簧钳的区别?挡圈钳...
