Enhance fastening security with our Locking Hex Nut, designed for 1/4-20 threads. Crafted from durable Nylon 6.6 material, it ensures reliable performance in various applications. The .275-inch height and .520-inch outer diameter provide a perfect fit, while the natural color adds a sleek touch. Featuring a unique locking mechanism, this nut guarantees a tight and secure hold, making it an essential component for your projects. Rest assured, it complies with RoHS standards, meeting environmental regulations. Upgrade your fastening system with this high-quality locking nut.