- Secure Installation : Our expansion screws feature robust screws and metal nuts that expand into a petal shape when tightened. This unique design ensures a superior grip on various materials, providing a stronger hold compared to traditional screws. - Effortless Setup : Designed for efficiency, these screws can be installed quickly using pneumatic tools, significantly reducing installation time and effort. - Durable Construction : Crafted from high-quality carbon steel with a galvanized finish, these screws are built to last, ensuring reliable performance in both indoor and outdoor environments. - Versatile Applications : These expansion screw petal nuts are ideal for a wide range of materials, including wood, metal, and plastic. Their effective expansion mechanism guarantees a firm installation that you can trust. Use Scenarios : 1. Furniture Assembly : Perfect for securely fastening parts of furniture, ensuring stability and durability. 2. DIY Projects : Ideal for various home improvement tasks, including mounting shelves or securing fixtures. 3. Construction Applications : Suitable for professional use in construction, providing dependable installation in various materials. With a focus on function, compatibility, and performance, our expansion screws are the reliable choice for your fastening needs.