塑料手柄套和螺紋頭
Plastic Caps and Threads
手柄套 Caps
備注：多節桿只能使用第9項中的旋轉6-D21手柄套。
Remarks: For Multi-Pc Handles, only Rotary-6-D21 cap in No. 9 can be used
螺紋頭 Threads
螺紋頭有外包和內接2種。外包型螺紋頭具有防水防銹的功能，比較適合需要經常性接觸水的拖把。
We have designed two styles of threads: external and internal. External thread is good for protecting mop handles from entering water.
常用螺紋頭款式有：意大利、美國、德國、法國。意大利螺紋頭是最常用的一種，大部分國家的客戶都采用意大利螺紋頭。我們還有一些定制螺紋頭，供客戶選擇。
Regular styles of threads are: Italian, USA, Germany, French. Italian thread is mostly selected by most customers worldwide. We also have some customized threads for options of some customers.
