What is a self-drilling screw
The tail of the self-drilling screw is in the shape of a drill tail or a pointed tail, without auxiliary processing, it can directly drill, tap and lock on equipment materials and basic materials, greatly saving construction time. Compared with ordinary screws, its tenacity and holding force are high, and it is not easy to loosen after assembly, and the operation can be completed in one operation with safe drilling.
what are self drilling screws used for
Self-drilling screws are specialized fasteners designed for use in a variety of materials, including drywall, metal, and wood. Drywall screws self drilling, or self-drilling drywall screws, are commonly used to attach drywall to metal or wood framing. These screws have self-drilling capabilities, meaning they do not require a pre-drilled hole, saving time and effort during installation.
Self-drilling screws for metal are specially designed to penetrate and attach metal materials without the need for pre-drilling. This makes them ideal for use in a variety of metal applications, including HVAC systems, metal roofing, and sheet metal fabrication.
Similarly, self-drilling screws for wood are designed to penetrate and attach wood materials without the need for pre-drilling. This makes them ideal for use in a variety of wood applications, including furniture assembly, construction framing, and decking installation.
Overall, self-drilling screws are versatile and efficient fasteners that can save time and effort during installation in a variety of materials. When used correctly, they can provide a strong and secure attachment.
What iron plate thickness can self drilling screws do
| Drill tail head type | Size | Iron plate thickness |
Self driling screws | （6#）3.5*13-3.5*16 | 0.9mm-2.5mm |
| （7#）3.9*13-3.9*16 | ||
| （8#）4.2*13-4.2*16 | ||
| （6#）3.5*19-3.5*32 | 0.9mm-2.8mm | |
| （7#）3.9*19-3.9*32 | ||
| （8#）4.2*19-4.2*50 | 0.9mm-3.0mm | |
| （10#）4.8*13-4.8*50 | 2.8mm-4.5mm | |
| （12#）5.5*16-5.5*125 | 2.5mm-5.3mm | |
| （14#）6.3*16-6.3*75 |
