? [Comprehensive Assortment of 10 Sizes in 3/8", 1/4", and 5/16" Hex Head Cap Screws with Accompanying Nuts, Flat Washers, and Spring Washers] This extensive collection includes a well-rounded selection of sizes such as 1/4"-20 x 3/4", 1/4"-20 x 1-1/2", 1/4"-20 x 1", 1/4"-20 x 2", 5/16"-18 x 3/4", 5/16"-18 x 1", 5/16"-18 x 1-1/2", 5/16"-18 x 2", 3/8"-16 x 2-1/2", and 3/8"-16 x 1-1/2". ? [Durable Construction with High-Quality 304 Stainless Steel Ensuring Longevity] Each nut, bolt, and washer in this assortment is crafted from premium 304 stainless steel, providing exceptional rust and oxidation resistance for long-lasting performance. ? [240-Piece Assortment with SAE System for Versatile Applications] This kit features a variety of sizes and quantities, including 3/8", 1/4", and 5/16" screws, nuts, flat washers, and spring washers, totaling 240 pieces for all your fastening needs. ? [Versatile Usage Across Various Industries and Applications] Ideal for use in precision machinery, electronic products, household appliances, communication devices, locks, lighting fixtures, toys, and more, making it a must-have for both professionals and DIY enthusiasts. ? [Organized Storage Design for Easy Access and Management] The included storage bin box features a separation design that keeps all bolts and nuts neatly organized, preventing confusion and loss, ensuring you have the right fastener at your fingertips. Product Description 240-Piece Stainless Steel Hex Bolts, Nuts, and Washers Assortment is the ultimate solution for all your fastening requirements. This comprehensive kit includes a wide variety of hex bolts, nuts, flat washers, and spring washers, making it suitable for a multitude of projects, from simple home repairs to complex machinery assembly. With its diverse range of sizes, you'll always find the right fastener to meet your specific needs, ensuring that you can complete your tasks efficiently and effectively. Constructed from high-quality 304 stainless steel, this assortment is designed to withstand the rigors of various environments, offering superior rust and oxidation resistance. Whether you?re working in humid conditions or exposed to harsh weather, these fasteners will maintain their integrity over time. The organized storage box allows for easy access and management of your fasteners, making it an essential addition to any toolbox or workshop.