Features High-strength Carbon Steel: Constructed from carbon steel, these machine screws offer exceptional strength and durability, making them ideal for use in harsh environments. High Hardness and Deformation Resistance: Made from high-quality material with high hardness, these screws are resistant to deformation, ensuring reliable performance under pressure. Precision Threads for Versatile Use: The accurately threaded design allows these screws to easily pass through various materials such as plastic, wood, and soft metal, providing versatility for different applications. Ideal for Electronics Industry: Specifically designed for the electronics industry, these screws are simple to use, catering to the specific needs of the industry. Convenient Storage Box: The included storage box provides a convenient way to carry and organize the 1000pcs of screws, ensuring easy access and portability. Specification: Item Type: Flat Head Machine Screw Treatment: Without treatment Material Grade: Carbon steel, grade 4.8 Thread Specification: M2 M2.5 M3 Thread Tolerance: 5g Application: Fasteners in the electronics industry Optional Style: 250pcs, 500pcs, 1000pcs Package List: 100 x M2 X 4 Screw 100 x M2 X 5 Screw 100 x M2 X 6 Screw 100 x M2 X 8 Screw 100 x M2.5 X 4 Screw 100 x M2.5 X 5 Screw 100 x M2.5 X 6 Screw 100 x M2.5 X 8 Screw 100 x M3 X 4 Screw 100 x M3 X 5 Screw Package List 100 x M2 X 4 Screw 100 x M2 X 5 Screw 100 x M2 X 6 Screw 100 x M2 X 8 Screw 100 x M2.5 X 4 Screw 100 x M2.5 X 5 Screw 100 x M2.5 X 6 Screw 100 x M2.5 X 8 Screw 100 x M3 X 4 Screw 100 x M3 X 5 Screw