520 Pcs Bolts and Nuts Set, Stainless Steel Hex Button Head Socket Screw Assortment Kits

Premium Material: All bolts and nuts are made of outstanding stainless steel material with high strength, which are corrosion resistance and rust resistance, sturdy, can also be used for a long time in harsh environments. Easy to Use: Ideal for use in confined areas where the head needs to be flush or below the surface. Nuts can increase the surface contact area, reduce wear, and protect screws bolts and other fasteners. Easy to Store: All hex head screws and nuts are packaged in a sturdy plastic storage box, sorted by size/type for quick access and protection from confusion and loss. Wide Applications: Hex head bolts and nuts are ideal tools for home and workplace. Mainly used for home and office equipment, communication equipment, ship assembly, machinery industry, furniture, automobile and motorcycle maintenance, DIY, etc. Package Includes: You will receive 30 pcs m3x8 mm, 30 pcs m3x12 mm, 30 pcs m3x16 mm, 30 pcs m3x20 mm, 120 pcs m3 nuts; 20 pcs m4x8 mm, 20 pcs m4x12 mm, 20 pcs m4x16 mm, 20 pcs m4x20 mm, 80 pcs m4 nuts, 15 pcs m5x8 mm, 15 pcs m5x12 mm, 15 pcs m5x16 mm, 15 pcs m5x20 mm, 60 pcs m5 nuts, a total of 520 pcs.