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Understanding Expansion Hook
2025-12-08
The expansion screw hook is mainly composed of components such as bolts, expansion tubes and explosive plates. It utilizes the wedge-shaped slope to cause expansion and generate frictional holding force, thereby achieving the purpose of tightening. It is often used in various situations where heavy objects need to be suspended or fixed, such as installing water heaters, ceilings, manhole cover nets, etc.
The functions of expansion hook fasteners mainly include the following aspects:
Tightening function: The expansion hook fastener, through its special structural design, can generate frictional grip force after installation, thereby achieving the tightening effect. This fastening effect enables the expansion hook to be used to secure heavy components such as walls, floors, lighting fixtures, flue pipes, air conditioning units, etc
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