The 3/8UNF Lock Nut Nylon Insert NE (8) product range by Qualfast is designed to provide reliable fastening solutions for a variety of applications. These lock nuts are engineered to enhance the security of threaded connections, ensuring that they remain tight and secure even under vibration and movement. The inclusion of a nylon insert offers added friction, preventing loosening over time. With a commitment to quality, this product range is ideal for both professional and DIY projects, delivering durability and peace of mind in every use. Features: Surface Treatment: Plain Driving Features: Hexagon Grade: 8 Material: Steel Thread Size: 3/8 Applications: - Ideal for securing bolts in automotive applications, preventing loosening due to vibration. - Suitable for use in machinery assembly, ensuring reliable fastening in high-stress environments.