qjuwhua 120 PCS M3.5 X 38mm Self Drilling Screws for Metal Self Drilling Countersunk Screws Galvanized Self Tapping Screw Self Tappers Screws for Metal Plasterboard Wood Plastic Sheet Roofing Window

• Scope of Supply & Specifications: This set of self drilling screws includes 120 pcs of M3.5 × 38 mm zinc-plated flat head Phillips self drilling screws for metal, plus 1 pc PH2 25 mm screwdriver bit. The self tapping screws use a commonly used specification combination and are ready for installation right out of the box, with no need to purchase additional tools. The self-drilling screws are suitable for high-frequency use in home repairs, installation work, and DIY projects.
• Premium Materials: These self tapping screws metal is made of high-quality carbon steel with a zinc-plated surface treatment, offering excellent strength and durability for self-drilling and metal fastening applications. The zinc coating on the metal screws effectively enhances rust, corrosion, and oxidation resistance, allowing stable performance even in humid or everyday outdoor environments, while reducing the risk of breakage and thread stripping.
• Flat Head Phillips Self-Drilling Design: The self tapping screws for metal feature a flat head Phillips design that fits tightly with manual or electric drivers, ensuring even force distribution and reducing slipping and cam-out. With a sharp drill point, the drilling screws can penetrate thin metal sheets and aluminum, completing drilling, tapping, and fastening in one step without pre-drilling, improving installation efficiency for continuous and batch work.
• Secure Fastening, Stable and Durable: These tek screws adopt a deep-thread design that significantly increases gripping force and forms a firm connection in metal, wood, plastic, and other materials to ensure long-term stability without loosening. The self tapping metal screws are especially suitable for wood-to-metal and metal-to-metal fastening needs, delivering reliable and stable fastening performance.
• Wide Range of Applications: This set of steel self-drilling screws is widely used for metal sheet fixing, furniture assembly, wooden installations, electronic equipment and bracket fastening, as well as home maintenance, garage work, and various DIY projects. As practical everyday fasteners, the stainless steel self tapping screws are an essential choice for homes, offices, and workbenches.

These zinc-plated flat head Phillips self drilling screws are designed for applications that require fast and stable installation, making them ideal for users who value construction efficiency and connection reliability. During installation, the self drilling screws for metal can complete drilling and fastening directly, eliminating the need for pre-drilling and effectively reducing operation time for a smoother workflow. Compared with ordinary untreated screws, zinc-plated self tappers screws for metal offer superior corrosion resistance and longer service life, better meeting daily installation and metal drilling needs. The zinc-plated surface retains a clean metallic appearance while helping to slow down rusting caused by everyday environmental exposure, making the self tapping screws suitable for indoor and general outdoor use. The flat head Phillips design allows the self-drilling screws to sit flush with the mounting surface after installation, delivering a neat and clean finish that is ideal for applications with appearance requirements. The standard PH2 interface is compatible with common manual or electric drivers, ensuring stable handling and easy operation even for beginners. In practical use, the self tapping screws metal provide reliable connections across metal sheets, wood, and plastic, especially for wood-to-metal and metal-to-metal fastening needs. The deep-thread structure helps prevent loosening after tightening, meeting both daily use and long-term fixing requirements. Product Specifications: Material: Carbon Steel (Zinc Plated) Color: Silver Model: M3.5 Quantity: 120 pcs Package Contents: 120 pcs M3.5 × 38 mm Countersunk Phillips Self-Drilling Screws PH2 – 25 mm Bit Warm Reminder: Due to different production batches and manual measurement, slight deviations may occur. Thank you for your understanding.