Premium Self-Drilling Screws (Tek Screws) for Metal & Wood
Self drilling screws are a type of screw commonly used for metal roofs, also known as sds screw and self threading screws. It is usually a hexagonal flange head with a drilling point at the tip, which can drill through the surface of the object without pre-drilling. It is convenient and fast to use, and is a popular screw in the construction industry.
T&Y Hardware specializes in the production and research and development of various types of self drilling screws and sheet metal screws, with 23 years of industry experience. Our screws have high strength, can easily drill steel plates and other materials without damaging the threads, are firmly fixed and are not easy to loosen, and are not rusty after long-term use. At the same time, the factory direct sales price is competitive. It is your working partner worthy of long-term cooperation.
Self-Drilling Screw By Material
You can choose suitable materials to make self drilling screws according to the cost budget and specific usage environment, such as popular carbon steel, stainless steel, brass, aluminum alloy and other materials.

Standard: DIN 7404K, DIN7504M, DIN7504N, DIN7504O, DIN7504P
Size: M2.9, M3.5, M4.2, M4.8, M5.5, M6.3

Standard: DIN 7404K, DIN7504M, DIN7504N, DIN7504O, DIN7504P
Size: M2.9, M3.5, M4.2, M4.8, M5.5, M6.3

Standard: DIN 7404K, DIN7504M, DIN7504N, DIN7504O, DIN7504P
Size: M2.9, M3.5, M4.2, M4.8, M5.5, M6.3

Standard: DIN 7404K, DIN7504M, DIN7504N, DIN7504O, DIN7504P
Size: M2.9, M3.5, M4.2, M4.8, M5.5, M6.3
Self-Drilling Screw By Drive Type
We can provide a variety of drive types for your self drilling screws. Among them, the common ones include external hexagon drive drill tail screws, cross groove drill tail screws and socket hexagon drill tail screws. In addition, according to special needs, we can also Customize self drilling screws with non-standard drive forms such as square drive and torx drive to meet more diverse applications.
Self-Drilling Screw By Head Type
In addition to the classic hexagonal flange head self drilling screws, T&Y also offer a variety of head types of screws, including countersunk head, pan head, Truss Head, flat head, Wafer Head and Socket Head, etc., to meet the needs of different application scenarios. In addition, we support customized services and can adjust screw sizes, coating treatments and packaging methods according to customer requirements to ensure that the products are perfectly adapted to your specific needs.
Self-Drilling Screw By Application
T&Y hardware have also carefully optimized the design of self drilling screws for different application scenarios, whether used on wood, metal, plastic or other special materials, ensuring that they perform well and meet the needs of a variety of complex applications. Our self drilling screws are rigorously tested and proven to provide reliable fastening results in any application area, providing a solid guarantee for your project.
- Our certificate
- Material
- Size
- Surface Treatment

Low Carbon Steel, Medium and High Carbon Steel,304 Stainless Steel,316 Stainless Steel,410 Stainless Steel,
Alloy Steel, Aluminum, Brass
Metric Length: 13 mm to 150 mm, Imperial Length: From 1/2 inch to 6 inches
Metric Diameter: M3.5~M6.3, Imperial Diameter: #6 (0.138 inches) to 1/4 inch (0.250 inches)
Plain, Galvanized, HDG, Nickel Plated, Copper plating, black oxidation, passivation, polishing, power coated and so on
Related Product
Self drilling screws and self-tapping screws are fasteners that can be installed without pre-drilling. self drilling screws are suitable for harder material surfaces, while self-tapping screws are suitable for low-hardness and thin materials.
First, select the appropriate self drilling screws and installation tool (electric drill or electric screwdriver) according to the installation requirements. After determining the precise installation position, properly install the screw on the electric drill. Be sure to ensure that the screw and the installation material remain vertical, and then start the electric drill. During operation, pay attention to controlling the rotation speed to avoid improper rotation speed affecting the installation effect or damaging materials and screws.




























