Product Description Upgrade your fastening projects with this premium Carriage Bolt and Serrated Flange Nut Set, engineered for durability, reliability, and long-term performance. Each bolt is made from 304 stainless steel, offering outstanding resistance to rust and corrosion—perfect for both indoor woodworking and outdoor construction in humid or coastal environments. The carriage bolt's smooth, domed head provides a clean and safe finish, while the square neck beneath the head locks into the material to prevent rotation during tightening. Paired with M8 serrated flange nuts, this combination delivers a strong, vibration-resistant connection without the need for separate washers—ideal for projects exposed to movement or heavy load. This hardware set is widely used in woodworking, deck building, fence installation, trailer flooring, sheds, and outdoor bench repair. Whether you're a DIY enthusiast or a professional builder, it provides a dependable fastening solution for wood, metal, and composite structures. Each set comes organized in a durable plastic storage case, keeping your hardware neatly sorted and portable. Designed for easy access and long-lasting use, this kit ensures you have the right fasteners at hand whenever you need them.