The 5/8UNC Lock Nut with Nylon Insert from the Qualfast product range is designed to provide secure fastening solutions in various applications. Crafted from high-quality materials, these lock nuts ensure reliability and durability, making them ideal for use in demanding environments. The nylon insert enhances grip, preventing loosening due to vibration and movement, which is essential for maintaining the integrity of assembled components. This product range is perfect for professionals seeking dependable and long-lasting fastening options in their projects. Features: Grade: A4 Material: Stainless Steel Thread Size: 5/8 Driving Features: Hexagon Applications: - Ideal for securing bolts in high-vibration environments, preventing loosening over time. - Suitable for marine applications due to A4 stainless steel's corrosion resistance in saltwater.