Stainless Steel Machine Screws: 750pcs assorted nuts bolts and flat washers are made of 304 stainless steel, which ensures long-lasting performance even in harsh environments. High strength ensures that they do not bend or deform easily More Choices: Screws Assortment with Flat Head, Different size of #6-32 #8-32 #10-24 1/4-20, assorted machine screws and nuts, washers. The average error is less than 0.01mm Package Includes: You will receive 80pcs #6-32 75pcs #8-32 55pcs #10-24 40pcs 1/4-20, 250pcs nuts, 250pcs washers assorted machine screws and nuts, washers total 750pcs. Meet your different needs in daily life Easy to identify: Storage case is labeled with the size, type, and number of nuts and bolts, so it's easy to find the right one for your project without having to sort through the clutter. The chart can greatly improve your work efficiency for repairs or other DIY Widely used: Machine screw assortment kit can be widely used in all kinds of precision machinery, classification instruments, electronic products, household appliances, locks, lamps, lighting, decoration, fence, storage, cabinets, frames, DIY projects, toys, furniture and vehicle maintenance and so on 750PCS Flat Head #6-32 #8-32 #10-24 1/4-20 Nuts And Bolts Assortment Kit with Flat Washers Material: 304 Stainless Steel Storage case is labeled with the size, type, and number of nuts and bolts 80pcs#6-32 75pcs#8-32 55pcs#10-24 40pcs1/4-20, 250pcs nuts, 250pcs washers assorted machine screws and nuts, washers total 750pcs. Widely used: Machine screw assortment kit can be widely used in all kinds of precision machinery, classification instruments, electronic products, household appliances, locks, lamps, lighting, decoration, fence, storage, cabinets, frames, DIY projects, toys, furniture and vehicle maintenance and so on