510 Pcs Black Hex Socket Button Head Cap Screws and Nuts M3 Set

What are the advantages of our socket head cap screws bolts and nuts set? 1. m3 bolts and nuts are made of high-quality carbon steel, which is scratch-resistant, corrosion-resistant, not easy to rust, with high strength and hardness, and has long-lasting durability and stability 2. m3 nuts and bolts are designed with hexagon socket round head screws, with a large head contact area and more balanced force. 3. The matching nuts can reduce pressure, protect screws and parts, and extend the service life of hardware. 4. All allen key bolts and nuts are packed in storage boxes, which are easy to use, find and carry. 5. Widely used in home, factory, office appliances, communication equipment, ship assembly, machinery manufacturing, furniture, automobile and motorcycle repair, DIY invention and other fields. Features: Material: Carbon Steel Color: Black Quantity: 510 Pcs Package Includes: 40 Pcs - M3x6mm 40 Pcs - M3x8mm 40 Pcs - M3x10mm 40 Pcs - M3x12mm 40 Pcs - M3x16mm 20 Pcs - M3x20mm 40 Pcs - M3x25mm 250 Pcs - M3 Nuts Warranty after sale: If you have any questions, please contact us in time, and we will solve your questions ASAP. Warm Tips: Color may vary slightly from the online image due to your monitor color settings, please refer to the actual product, thank you for your understanding.