Water drill expansion bolt is a type of connector used to fix objects, which can be reused
It is mainly used in conjunction with rhinestones (a tool for drilling holes in materials such as walls). After using a water drill to make suitable holes in walls, floors, etc., insert the expansion wire into the holes. Expansion threads are generally composed of screws, expansion tubes, flat pads, spring pads, and nuts. By tightening the nut, the expansion tube is expanded and tightly clamped in the hole wall, providing a stable fixed foundation for installing objects such as lamps, brackets, bathroom equipment, etc.
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