浮动式弹簧螺钉YD51 YD52，浮动式弹簧面板紧固件，可以补偿配合孔的安装误差。有铝本色和氧化黑色两种表面处理。
常用规格有：
YD51-M3-13.8 | YD51-M3-15.3 | YD51-M3-16.9 |
YD51-M3.5-17.8 | YD51-M3.5-19.4 | YD51-M3.5-21 |
YD51-M4-18.5 | YD51-M4-20 | YD51-M4-21.6 |
YD51-M5-18.5 | YD51-M5-20 | YD51-M5-21.6 |
YD51-M6-22.1 | YD51-M6-23.7 | YD51-M6-25.3 |
YD51-440-13.8 | YD51-440-15.3 | YD51-440-16.9 |
YD51-632-17.8 | YD51-632-19.4 | YD51-632-21 |
YD51-832-18.5 | YD51-832-20 | YD51-832-21.6 |
YD51-032-18.5 | YD51-032-20 | YD51-032-21.6 |
YD51-0420-22.1 | YD51-0420-23.7 | YD51-0420-25.3 |
YD52-M3-15.3 | YD52-M3-16.9 | |
YD52-M3.5-19.4 | YD52-M3.5-21 | |
YD52-M4-20 | YD52-M4-21.6 | |
YD52-M5-20 | YD52-M5-21.6 | |
YD52-M6-23.7 | YD52-M6-25.3 | |
YD52-440-15.3 | YD52-440-16.9 | |
YD52-632-19.4 | YD52-632-21 | |
YD52-832-20 | YD52-832-21.6 | |
YD52-032-20 | YD52-032-21.6 | |
YD52-0420-23.7 | YD52-0420-25.3 |
