China Suppliers Factory Galvanized Steel Self-Tapping Screw for Roofing Tile Installation on Steel Frames
| Product Name | Hole-expanding self-taping screw |
| Material | Galvanized steel |
| Size | 5.5 * 75mm ; 6.3 *75mm ; 6.3 * 145mm |
| Weight | 14g/pc |
| Service life | 50 years |
The installation is simple and fast, greatly shortening the construction period and reducing installation costs, while ensuring the construction quality, bringing users a more economical and easy-to-maintain roof solution.
What is the primary function of a hole-expanding self-tapping screw?
It is designed to create its own hole and thread simultaneously during installation. This simplifies the process, fast-tracks construction times, and ensures a highly secure fit for roofing and structural applications.
What material are these screws made of?
These screws are manufactured from high-quality galvanized steel, which provides excellent corrosion resistance and ensures long-term structural integrity.
What sizes of self-tapping screws do you offer?
Our standard available sizes include 5.5 * 75mm, 6.3 * 75mm, and 6.3 * 145mm, catering to various roofing and panel thickness requirements.
How long is the expected service life of these screws?
Thanks to the durable galvanized steel construction, these hole-expanding self-tapping screws feature an impressive service life of up to 50 years.
How does this screw help reduce installation costs?
By combining drilling, hole-expanding, and fastening into a single step, it significantly minimizes labor hours, reduces tool wear, and lowers overall project installation expenses.