Features High Strength & Durability: Crafted from robust materials, this set ensures reliable performance across various projects and withstands everyday wear and tear Easy Installation: Designed for convenience, the self-tapping screws allow quick and effortless installation into diverse materials, saving you time and effort Versatile Compatibility: Suitable for a wide range of applications, these screws excel in home decoration, construction, and industrial projects, adapting to your needs Comprehensive 410PCs Set: With a diverse assortment of sizes, this hardware mixed set meets all your requirements, making it ideal for both DIY enthusiasts and professionals Quality Carbon Steel Construction: Made from high-quality Q215 carbon steel, these round head screws provide excellent strength, ensuring long-term use and reliability in various tasks Features: 1、With high strength and good durability, these screws can be suitable for various sizes. 2、Made of high-quality carbon steel Q215 materials, such cross screw can be easy to install. 3、Installed on many different types of materials, such self-tapping screw can be easily used. 4、Wide applciation helps these cross screw use in home decoration, construction, industry, etc. 5、410PCs screws can meet your different needs, and they can be suitable for long term use. Specification: Item Type: Self-tapping screws Head Type: Round head Slot Type: Cross Sizes (mm): M3x12, M3x16, M3x20, M4x12, M4x16, M4x20, M5x12, M5x25 Working Mode: Self-tapping Thread Tolerance: 4h Nominal Length: Approx. 3 ~ 10mm / 0.12 ~ 0.39in Material Grade: Carbon steel Q215 Package List: 80 x (M3 x 12) Self-Tapping Screw 70 x (M3 x 16) Self-Tapping Screw 65 x (M3 x 20) Self-Tapping Screw 60 x (M4 x 12) Self-Tapping Screw 50 x (M4 x 16) Self-Tapping Screw 40 x (M4 x 20) Self-Tapping Screw 25 x (M5 x 12) Self-Tapping Screw 20 x (M5 x 25) Self-Tapping Screw Package List 80 x (M3 x 12) Self-Tapping Screw 70 x (M3 x 16) Self-Tapping Screw 65 x (M3 x 20) Self-Tapping Screw 60 x (M4 x 12) Self-Tapping Screw 50 x (M4 x 16) Self-Tapping Screw 40 x (M4 x 20) Self-Tapping Screw 25 x (M5 x 12) Self-Tapping Screw 20 x (M5 x 25) Self-Tapping Screw