520 Pcs Hex Bolts, Nuts, and Washers Set, M3/M4/M5/M6 Stainless Steel Hexagonal

--Premium Material: All hex bolts, nuts, and washers are made of superior stainless steel with high strength, ensuring corrosion and rust resistance, durability, and longevity even in harsh environments.\n--Easy to Use: Ideal for use in tight spaces where the head needs to be flush or below the surface. Nuts help increase the contact area, reduce wear, and protect screws, bolts, and other fasteners.\n--Convenient Storage: All hexagonal bolt, nut, and washer kits are housed in a sturdy plastic storage box, sorted by size/type for quick access and protection against mix-ups and loss.\n--Wide Applications: Hex bolts and nuts are perfect tools for home and workplace use. Mainly used for home and office appliances, communication equipment, ship assembly, machinery industry, furniture, automobile, and motorcycle maintenance, DIY projects, etc.\n--Package Contents: You will receive a total of 520 screws, nuts, and washers in sizes M3, M4, M5, M6; various quantities and sizes are sufficient .