Nuts and Bolts Set, 411 Pcs Black Hex Socket, Round Head Machine Screws, Bolts, Nuts and Washers Kit

Product description

• Exquisite Material Nuts and bolts are made of high-quality 10.9 grade alloy steel, which has good corrosion resistance, high temperature resistance and wear resistance, is not easy to break or deform, is resistant to rust, and can maintain good performance in harsh environments, and is durable.
• Packaging list 411 pieces in total, including 25 pieces of M4x6mm, 25 pieces of M4x8mm, 25 pieces of M4x10mm, 25 pieces of M4x12mm, 20 pieces of M4x14mm, 15 pieces of M4x16mm, 15 pieces of M4x18mm, 10 pieces of M4x20mm, 15 pieces of M4x25mm, 15 pieces of M4x30mm, 110 pieces of M4 nuts, 110 pieces of M4 washers, with a wide range of sizes and quantities to meet your needs in different occasions and fields.
• Easy to Storage All hex socket head bolts and hex nuts and flat washers kit are placed according to size in a clear reusable storage box for quick access and storage. Shims can increase the contact area, reduce pressure, prevent loosening, and protect parts. Nuts can use the friction between the nut and the bolt to realize self-locking.
• Wide Range of Applications Widely used in household and office appliances, fastening mechanical parts, communication equipment, automobile and motorcycle maintenance, ship assembly, electronic equipment, electrical boxes, handles, knobs, furniture, DIY inventions, or other fields. Ideal for use by professionals, woodworkers, hobbyists, landlords, repairmen, and others.