- Material Quality: Made from durable carbon steel, ensuring long-lasting performance and resistance to wear and tear. - Package Quantity: Each package includes 5 pieces, providing ample supply for various projects. - Easy Installation: Simply drill a hole to the correct size, insert the screw, and tighten. This straightforward process makes it user-friendly for both professionals and DIY enthusiasts. - Effective Expansion Mechanism: The tightening of a threaded bolt draws a tapered cone, which expands a sleeve against the walls of the hole. This design ensures a secure fit and reliable hold. - Versatile Applications: Ideal for use in construction, woodworking, and metalworking, these screws can be utilized in diverse projects such as furniture assembly, installing fixtures, or securing structural components. - Compatibility: Suitable for a wide range of materials, including wood, metal, and plastic, making them a versatile choice for your toolkit. - Size Options: Designed to accommodate various hole sizes, ensuring compatibility with your specific needs. - High Performance: These screws provide strong anchoring and stability, reducing the risk of loosening over time. Choose our carbon steel expansion screws for a dependable solution to your fastening needs, whether you are a professional contractor or a home improvement DIYer.