This product features Nylon Insert Hex Lock Nuts made of 304 stainless steel, providing excellent corrosion resistance.  Ideal for various applications, including outdoor furniture, machinery, and construction projects.  The nylon insert design ensures a secure grip on threads, preventing loosening caused by vibration or shock for reliable connections.   Key Features Premium Material: Made of 304 stainless steel, tested for resistance to rainwater and saltwater exposure. Features a smooth, burr-free for durability in harsh environments.   Eco-Friendly Packaging: Comes in a reusable storage case that helps organize and protect small parts from accidental loss.   Precise Dimensions: Each nut is manufactured with accurate threading and dimensions, ensuring compatibility for both everyday and professional use.   Versatile Applications: Ideal for household repairs, outdoor projects, and industrial tasks, meeting diverse needs with consistent performance.   All products are verified by a professional thread checker to ensure quality and standard compliance. For any questions, our dedicated customer support team is available to assist within 24 hours. Q&A Q: Are these lock nuts suitable for use in outdoor or humid environments? A: Yes! These 304 stainless steel lock nuts are highly corrosion-resistant, making them ideal for use in outdoor and humid environments. They are Ideal for projects like outdoor furniture, machinery repairs, and other applications exposed to moisture. Q: How durable are the nylon inserts in these lock nuts? A: The nylon insert provides excellent anti-loosening performance, making these lock nuts ideal for applications involving vibrations or shocks. For optimal performance, we recommend checking the condition of the lock nuts after repeated use to ensure they continue to perform as expected. Q: Can these lock nuts be used on different materials? A: Yes! These lock nuts are versatile and can be used on a variety of materials, including metal, wood, and plastic. They provide a secure, tight hold for applications like furniture assembly, automotive repairs, and small machinery tasks. Q: What if the lock nuts don't fit my bolts? A: To ensure the correct fit, please use a calipers to double-check the size of your bolts according to our dimension diagram. If you need assistance or the wrong size is ordered, feel free to reach out to us, and we will gladly assist you with exchanges or help you find the right product. Q: How can I maximize the effectiveness of these lock nuts? A: When using power tools like an electric drill or wrench, adjust the torque to the recommended setting for your project. Using too much force can damage the nylon insert or the nut, while too little may prevent the lock nut from securing properly. Proper torque helps ensure stable performance in vibration-prone environments.