Features Exceptional Strength and Durability: Crafted from high-quality carbon steel, these screws provide superior strength and withstand harsh environments with ease High Hardness and Reliability: Designed to resist deformation, these self-tapping screws ensure a reliable performance in various applications, making your projects hassle-free Precision Threads for Versatility: The finely crafted threads allow for easy penetration through wood, plastic, and soft metals, ensuring a secure fit in multiple materials Superb Craftsmanship for Strong Fastening: Engineered for stability, these screws deliver a dependable fastening solution that enhances the integrity of your projects Convenient 400-Piece Set: This extensive tapping screw set comes neatly organized in a box, ensuring easy access and storage while providing ample supply for all your needs Features: 1、Carbon steel material provides high strength and good durability, can be used in harsh environments. 2、High hardness and not easy to deform, convenient for use. 3、Precision threads can easily pass through various materials, such as plastic, wood, soft metal, etc. 4、Superb craftsmanship, strong fastening function, stable and practical. 5、400pcs screws are available for use, equipped with box for easy storage. Specification: Condition: 100% Item Type: Self Tapping Screw Material: Carbon Steel Color: Silver Application: Precision threads can easily pass through various materials, such as plastic, wood, soft metal, etc. Package List: 50 x M3x18 Tapping Screw 50 x M3x20 Tapping Screw 50 x M3x14 Tapping Screw 50 x M3x6 Tapping Screw 50 x M3x16 Tapping Screw 50 x M3x10 Tapping Screw 50 x M3x8 Tapping Screw 50 x M3x12 Tapping Screw Package List 50 x M3x18 Tapping Screw 50 x M3x20 Tapping Screw 50 x M3x14 Tapping Screw 50 x M3x6 Tapping Screw 50 x M3x16 Tapping Screw 50 x M3x10 Tapping Screw 50 x M3x8 Tapping Screw 50 x M3x12 Tapping Screw