780 pcs M3 countersunk screws set flat head screws with nuts cross slot machine screws <ul class="a-un0rdered-list a-vertical a-spacing-mini"> <li class="a-spacing-mini"><span class="a-list-item">Exquisite Material: These countersunk screws are made of high-quality carbon steel, which has the characteristics of high strength, high hardness, corrosion resistance, rust resistance, smooth surface without burrs, not easy to break or deform, durable and can be used for a long time. </span></li> <li class="a-spacing-mini"><span class="a-list-item">Countersunk Cross Design: The countersunk screw threads are very clear and precise, and the fixed threads are not easy to deform and shift during use, making them easy to insert and not easy to loosen. The hexagonal nuts provide a more precise fit, relieve stress and protect parts and screws</span></li> <li class="a-spacing-mini"><span class="a-list-item">Easy Storage: All screws, countersunk nuts and nuts are packaged in a transparent plastic box with matching labels for easy access and installation. Keep everything organized, easy to store, and carry.</span></li> <li class="a-spacing-mini"><span class="a-list-item">Wide Applications: Suitable for repairing old laptops or replacing lost computer/laptop screws. Widely used in electronics, SSDs, home appliances, furniture, or other repairs requiring M3 countersunk screws.</span></li> <li class="a-spacing-mini"><span class="a-list-item">Package Included: 780 pieces in total, including 390 screws. Sizes include: M3 x 4mm * 60 pieces, M3 x 6mm, M3 x 8mm, M3 x 10mm, M3 x 12mm, M3 x 16mm, and M3 x 20mm, 55 pieces of each size, plus 390 M3 hex nuts. With a wide variety of sizes, the quantity is sufficient to meet your needs for different occasions and fields. </span></li> <li class="a-spacing-mini"></li> </ul>