800 pieces: Please carefully check the waist before buying.The package includes m2 tapper screws of 8 matching sizes. They are M2 * 4 mm, m2 * 5 mm, m2 * 6 mm, m2 * 8 mm, m2 * 10 mm, m2 * 12 mm, m2 * 16 mm and m2 * 20 mm. Flat Cross Head: These milling head screws can maintain the planar surface after installation. There is a standard transverse slot on top, which does not slide easily, more convenient and faster to use. Strong and durable: These self-tapping screws are carbon steel with a nickelized surface. A sustainable material and a fine process ensure long life. Easy to use: Cross-headed screws are easy to penetrate and tighten with sharp spikes. Ideal for attaching sheets, plastics, wood and other brittle materials. With storage box: The flat self-tapping screws come with plastic storage boxes with net. The screws are placed according to their size, easy to store and transport. had Changongsheng cross head screw Material: carbon steel. Quantity: 800 pieces. Diameter: M2. Thread type: milled. The package includes: 100 pieces of screws M2 * 4 nickeled, 100 M2 * 5 mm wood screw pieces, 100 silver carbon steel screw pieces M2 * 6mm, 100 M2 * 8 mm countersunk screw pieces, 100 pieces of small metal screws M2 * 10 mm, 100 parts of self-tapping screws M2 * 12 mm. 100 screw pieces M2 * 16 mm, 100 screw pieces M2 * 20 mm,