Premium Stainless Steel Bolt Nut Set This 5-set bolt kit includes high-quality 5/16-18 x 4? hex head bolts, along with matching hex nuts, flat washers, and lock washers. Each component is precisely threaded for secure fastening and optimal performance in various applications. Kit Includes (20 Pieces Total): ? 5 x 5/16-18 x 4? Fully Threaded Hex Bolts ? 5 x 5/16-18 Hex Nuts ? 5 x 5/16? Flat Washers ? 5 x 5/16? Lock Washers High-Quality 304 Stainless Steel Crafted from 304 stainless steel, these bolts offer: ? Superior rust corrosion resistance ? Ideal for extreme environments ? High heat resistance ? Perfect for heavy-duty applications ? Strong, solid construction ? Long-lasting reliable fastening (Note: 304 stainless steel may exhibit weak magnetic properties due to structural transformation.) Versatile Applications These stainless steel hex bolts are ideal for: ? Furniture assembly ? Beds, tables, cabinets, chairs ? Woodworking projects ? Workbenches, kitchen worktops ? Industrial machinery use ? Shipbuilding, office equipment, communication devices Convenient Storage Organization Comes in a sturdy, reusable transparent storage container with clearly labeled sizes for easy identification. Designed to provide multiple fastening solutions in one comprehensive set.