内螺纹塑料盖防尘盖Threaded Plastic Dust Caps白色透明 LDPE轻便且能有效阻挡灰尘、杂质内壁内螺纹设计,适配对应螺纹部件表面光滑,便于安装与拆卸整体结构简单,防护性好 匹配公制螺纹 螺纹 A B D M54.356.2 M65.457.3 M87.179.8 M109.37.513.8 M1211.2815.9 M1413.26.717.5 M1614.8820.9 M18179.222.8 M2019.59.223 M2221.59.626 M2423.51028 M26251030 M2726.58.130.3