304 Stainless Steel Hex Bolts and Nuts Assortment Kit ? 300 Pieces Comprehensive Assortment: This kit includes 300 pieces of hex bolts, nuts, lock washers, flat washers, self-tapping screws, and 30 red steel paper fiber washers. With 11 sizes ranging from 1/4''-20x3/4'' to 3/8''-16x2'', as well as M410mm and M420mm sizes, it?s perfect for household and commercial projects. High-Quality Materials: Crafted from premium 304 stainless steel, the components provide exceptional durability and rust resistance. The passivated surface enhances corrosion protection, making this kit suitable for humid or high-temperature environments. The included red steel paper fiber washers offer superior elasticity and insulation for specialized applications. Versatile Applications: Ideal for a wide range of uses, including furniture assembly, automotive repairs, bicycles, car license plates, and electrical connections. This assortment is a valuable tool for both DIY enthusiasts and professionals. Secure Packaging: The set is packaged with meticulous care, featuring a screw sorting box wrapped in bubble film, placed in a durable outer box, and secured with Amazon's packaging for safe delivery. Upgrade your toolkit with this premium nuts and bolts assortment, designed to meet the demands of diverse projects with ease and reliability.