Specifications High-concerned chemical:None Dimensions:M3*16 DIY Supplies:Woodworking Model Number:M3 Material:Carbon Steel Origin: China p{margin-block-start: 0; margin-block-end: 0} High-strength material: self tapping screws metal is made of high-quality carbon steel, which has high strength and durability. The tensile strength and hardness ensure that the screws can provide reliable performance in various application scenarios Efficient self-tapping design: flat head screws adopt self-tapping design, which can easily penetrate wood, plastic and thin metal materials without pre-drilling. It simplifies the installation process and improves work efficiency, especially suitable for fast installation and fixing tasks Enhanced stability with washer head design: The washer head design can provide a larger contact area when tightening, enhancing the stability and firmness of the connection. This design effectively prevents the screws from loosening, especially suitable for occasions that need to withstand vibration or pressure Wide application: Suitable for a variety of materials and application scenarios, including wood, plastic and thin metal. Whether it is furniture assembly, home repair or DIY project, these screws can provide a stable connection to meet diverse needs Package includes: A total of 240 pieces, including screws of various lengths and specifications, with sizes of m3*10mm, m3*12mm, m3*20mm, m3*25mm, m4*12mm, m4*16mm, m4*20 mm, m4*25mm, to meet different installation needs