<h3>Key features</h3><ul> <li>Exquisite Materials: m3 screws set is made of high-quality 10.9 carbon steel, with exquisite workmanship, high hardness, high strength, not easy to break and deform, scratch-resistant, corrosion-resistant, not easy to rust, with long-lasting durability and stability</li> <li>Countersunk Hex Socket Head Cap Screws Bolts and Nuts Set: The flat head screws/countersunk screws design makes the tension range wider and the average load lower when tightening. The hexagonal design makes it easier for you to tighten and loosen the screws with a matching wrench</li> <li>Equipped with Hex Nuts and Flat Washers: Hexagonal nuts can make your installation more precise, tighten better, and carry a larger load; Flat washers can increase the contact area, protect the bolts, extend the service life, provide strong holding force and maximum clamping force</li> <li>Widely Used: Suitable for furniture repair, mechanical instruments, electronic products, electrical appliances, household appliances, DIY projects, communication equipment, and other fields. Suitable for workers, mechanics, installers, professionals, hobbyists and craftsmen</li> <li>Package Includes: You will receive 810 pieces in total, meeting the needs of multiple scenarios and fields, with 1 allen wrench, The hex socket head design allows for easier tightening and loosening of screws using a hex wrench.</li> </ul><p>What are the advantages of our m3 nuts and bolts and washers set? 1. Bolts and nuts assortment is made of high-quality 10.9 carbon steel, with the characteristics of high hardness, corrosion resistance and rust resistance. 2. Stainless steel bolts and nuts kit is equipped with hexagonal nuts and washers, which makes your installation more precise, while protecting bolts and screws and extending the service life of components. 3. Flat hex head socket cap screws design, the thread is smooth, precise, clear, and evenly stressed, and it is not easy to deform or slip during work. 4. Assorted nuts and bolts are suitable for office equipment, communication equipment, furniture, ship repair, mechanical engineering, construction and other fields. Features: Material: 10.9 carbon steel Quantity: 810 Pcs Package Includes: 40 Pcs - M3x6mm 40 Pcs - M3x8mm 30 Pcs - M3x10mm 30 Pcs - M3x12mm 20 Pcs - M3x14mm 30 Pcs - M3x16mm 20 Pcs - M3x18mm 20 Pcs - M3x20mm 20 Pcs - M3x25mm 20 Pcs - M3x30mm 270 Pcs - M3 Nuts 270 Pcs - M3 Washers 1 - Hex Wrench Warm Tips: Dimensions are measured manually, please allow slight errors. Color may vary slightly from the online image due to your monitor color setting</p><p>Free shipping included. 30-day hassle-free returns.</p>