Concrete Screw is a kind of fastener specifically designed for use in concrete and other hard materials. Here is a detailed introduction:
Thread Design: It usually has a coarse and deep thread. The thread pitch and shape are carefully engineered to provide excellent grip and resistance to pull - out forces. The thread is often designed with a specific angle and profile to ensure efficient penetration into the concrete and a secure hold.
Head Type: There are various types of heads, such as hex heads, pan heads, or countersunk heads. The hex head is commonly used as it allows for easy tightening with a wrench. The pan head provides a larger bearing surface, which is beneficial for distributing the load. The countersunk head is suitable for applications where a flush finish is required.
Material: Usually made of high - strength steel, which is often heat - treated to enhance its hardness and toughness. Some concrete screws may also have a protective coating, such as zinc - plating or epoxy - coating, to prevent corrosion and increase their durability in harsh environments.
When the Concrete Screw is driven into the concrete, the thread cuts into the material, displacing the concrete and creating a tight fit. The frictional force between the thread and the concrete walls provides the necessary holding power. As the screw is tightened, it exerts a compressive force on the surrounding concrete, which further enhances the connection.
Construction Industry: Widely used in the construction of buildings, bridges, and other structures. They are used to attach steel components, wooden frames, or other fixtures to concrete surfaces. For example, in building construction, they can be used to secure wall panels, floor joists, or railing posts to the concrete foundation.
Industrial Installations: In industrial settings, Concrete Screws are used to install machinery, equipment, and storage racks on concrete floors. They provide a stable and secure connection, ensuring the safety and proper operation of the installed items.
Renovation and Repair Work: When renovating or repairing concrete structures, Concrete Screws are often used to attach new materials or to replace damaged fasteners. They offer a convenient and reliable solution for fixing various elements to the existing concrete.
High Strength and Reliability: Concrete Screws can provide a strong and durable connection, capable of withstanding heavy loads and dynamic forces. They offer excellent resistance to vibration and shock, making them suitable for a wide range of applications.
Easy Installation: They are relatively easy to install, requiring only a drill and a suitable driving tool. The process is quicker and more straightforward compared to some other fastening methods, such as using anchor bolts, which may require pre - drilling and additional steps for setting.
Versatility: Available in different sizes and lengths, allowing for flexibility in various applications. They can be used in both new construction and existing concrete surfaces, adapting to different thicknesses and types of concrete.
In summary, Concrete Screw is a crucial fastener in the construction and industrial fields, offering a reliable, easy - to - use, and versatile solution for attaching objects to concrete surfaces. Its unique design and characteristics make it an essential component in many projects, ensuring the safety and stability of the installed structures and equipment.
Brand Name:HB
Material: 1022 steel
Size: 7.5mm diameter
Length: from 42mm to 300 mm.
Processing: case harden on the surface.
Finish: zinc plated yellow or white.
Head type:Torx-30 Countersunk
Packing: small box by 100 pcs then into cartons and pallet
Supply ability per month: 200 tons.
