| Customization: | Available |
|---|---|
| Connection: | Common Bolt |
| Finish: | Zinc Plated |
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Expansion screw is a metal product consisting of a screw and a steel pipe or iron cylinder. One end of the screw is threaded and the other end has a taper; There are several cuts distributed at one end of the steel pipe or iron cylinder. The working principle of expansion screws relies on their wedge-shaped slope, which generates a huge frictional grip force through the expansion of steel pipes, thereby achieving a fixed effect. It is widely used in various decoration occasions, such as fastening air conditioners, water heaters, range hoods, etc., fixing frameless balcony windows, anti-theft doors and windows, kitchen and bathroom components, as well as fixing ceiling screws, etc.
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