The 5/16UNC Lock Nut HV Nylon Insert NU A2 from Qualfast is designed to provide secure fastening solutions in various applications. This product range is engineered to enhance reliability and performance, ensuring that components remain tightly secured under varying conditions. The inclusion of a nylon insert offers added friction, preventing loosening due to vibration or movement, making it ideal for use in demanding environments. With a commitment to quality, these lock nuts are suitable for both professional and DIY projects, delivering peace of mind and durability. Features: Thread Size: 5/16 Material: Stainless Steel Driving Features: Hexagon Grade: A2 Applications: - Ideal for securing bolts in high-vibration environments, preventing loosening over time. - Suitable for use in automotive applications, ensuring reliable fastening of critical components.