Metric Flanged Hex Bolts and Serrated Lock Nut Set ? High-Strength Stainless Steel Fasteners ?Comprehensive Set of Flanged Hex Bolts?: This kit includes M8 flanged hex bolts in four lengths: 16mm, 20mm, 25mm, and 30mm, paired with serrated flange lock nuts and washers. The bolts feature full UNC threads (M8-1.25mm pitch) and a 13mm socket wrench size, ensuring compatibility with a wide range of applications. ?Enhanced Flange Design?: Engineered for reliability, the bolts have a flanged head at the base and pair with serrated flange nuts to evenly distribute the load, providing a secure fit. This design minimizes the need for additional washers in many applications and delivers a firm, vibration-resistant hold. ?Premium A2-70 Stainless Steel Construction?: Made from 18-8 (304) stainless steel, these bolts and nuts offer exceptional corrosion resistance, tensile strength, and durability. Suitable for both indoor and outdoor use, they excel in harsh conditions such as high humidity, marine environments, or exposure to chemicals. ?Organized and Portable Storage: All components are housed in a clear, labeled box with divided compartments, ensuring easy identification and quick access. The portable design enhances efficiency for professionals and DIY enthusiasts alike. ?Versatile Applications: Perfect for automotive repairs, machinery maintenance, construction projects, and DIY tasks, this set is a valuable addition to any toolbox. Its high-quality materials and thoughtful design make it ideal for both precision and heavy-duty tasks. Upgrade your hardware collection with this Metric Flanged Hex Bolts and Serrated Lock Nut Set?durable, organized, and ready for any project!