







Introducing the innovative Expansion Screw from Hebei Tengyun New Materials Co., Ltd, a top-tier metal product designed for those seeking secure and reliable fixing solutions. This exceptional device consists of a precisely engineered screw and a robust steel pipe or iron cylinder. One end of the screw is skillfully threaded, while the opposite end boasts a carefully crafted taper. Notably, the steel pipe or iron cylinder features strategically placed cuts at one end, enhancing its functionality. The brilliance of our Expansion Screws lies in their ingenious working principle. Utilizing a wedge-shaped slope, these screws generate an enormously powerful frictional grip force through the proficient expansion of steel pipes. This ensures a steadfast fixing effect, making them indispensable in various decorative scenarios. Whether you need to fasten air conditioners, water heaters, or range hoods, rely on our expansion screws. They excel at securing frameless balcony windows, anti-theft doors and windows, as well as kitchen and bathroom components. Additionally, they are perfect for fixing ceiling screws with unparalleled reliability. Trust in Hebei Tengyun's Expansion Screws for a solution that combines strength, precision, and versatility in one remarkable product.