膨胀钩螺钉

扩展挂钩螺钉是一种用于固定物体的工业连接器，主要是通过扩展原理来实现强固定效果{.，它通常用于钢结构，混凝土，石材和其他硬材料中，并且具有广泛的用途.的螺丝螺钉的工作原理是基于扩展螺钉的工作原理。直径略大于膨胀管{.的外径稍大的安装衬底后，将伸钩螺钉插入钻孔中，随着螺钉的拧紧，螺钉被螺钉挤压，并开始向外固定，并开始固定螺丝螺丝在钻孔中，以使其固定在钻孔中，以使其在5个.中{5} {5悬挂对象{.

The Expansion Hook Screw is tightly bonded to the wall of the mounting hole by means of expansion, providing good resistance to pullout. Compared to ordinary screws, it is able to withstand greater pulling force, making it safer and more reliable when hanging heavier objects. For example, when hanging a large chandelier, an expansion hook screw can ensure that the chandelier will not fall during long-term use, provided它已正确安装.

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