388Pcs large metric threaded bolt assortment set includes M5, M6, M8, and M10 button head screws, washers, and nuts. The bolts range in length from 16mm to 100mm, ensuring you have the right size for any project.All bolts and nuts are securely packed in a sturdy box, designed to withstand the weight of the entire kit. Say goodbye to scattered or lost bolts during use, as our packaging keeps everything organized and easily accessible.Thread bolt sets feature a complete range of bolts, hex nuts, and washers, allowing for precise and accurate installation. Use them according to your specific needs, making them an indispensable tool for repairs.This assorted nuts and bolts set is suitable for various precision machinery, classification instruments, electronics, household appliances, communication products, and small repair work. It's a versatile kit that covers multiple industries.Made from high-quality 304 stainless steel, our bolts and nuts are rust-resistant, moisture-resistant, and corrosion-resistant. They also exhibit excellent acid/alkali resistance and high hardness. Perfect for DIY projects, 3D printing, or replacing broken and missing screws.