This product is made of carbon steel material, which is high hardness, wear resistant and durable. It can be used in industry, precision machinery, electronics, construction and other machinery industry. Features: 1. Carbon steel material, high hardness and strength, wear resistant and durable to use in many different environments. 2. Comes with total 100pcs in one pack, which can meet your daily basic needs. 3. Easy to install and remove. 4. These screws can be great replacement parts for industrial and construction fasteners. 5. Can be widely used in industry, precision machinery, electronics, construction and other machinery industry. Specification: Item Type: M2 Screw Material: Carbon Steel Optional Size: M2 * 2 * 5, M2 * 3 * 5, M2 * 4 * 5, M2 * 5 * 5, M2 * 6 * 5, M2 * 8 * 5, M2 * 10 * 5, M2 * 12 * 5 Head Diameter: 5mm / 0.2inch Quantity: 100Pcs Package Weight: Approx. 11 - 29g Package List: 100 * Screws1Carbon steel material, high hardness and strength, wear resistant and durable to use in many different environments 2Comes with total 100pcs in one pack, which can meet your daily basic needs 3Easy to install and remove 4These screws can be great replacement parts for industrial and construction fasteners 5Can be widely used in industry, precision machinery, electronics, construction and other machinery industry