The Tinnerman Palnut Locknut is designed for 7/8 inch screws with a size of 9/16-18 and features a unique 9 notch design for enhanced grip. Made from copper, this locknut provides excellent conductivity and corrosion resistance, making it ideal for electrical and mechanical applications. Its innovative design allows for easy installation and secure fastening, ensuring components remain tightly connected under vibration and stress. This locknut meets industry standards for quality and reliability, making it a preferred choice for various engineering projects.