The 1/2" 125# Chrome Plated Leaded Red Brass Hex Locknut from Merit Brass is a robust solution for secure fastening in plumbing and HVAC systems. Made from high-quality leaded red brass, it offers excellent corrosion resistance and strength. This locknut meets ASTM B456 standards, ensuring reliability in high-pressure applications. With a 125# rating, it is designed for durability. The chrome plating provides an attractive finish while enhancing its resistance to wear. Its precise dimensions guarantee compatibility with standard NPSL threads, making it an essential component for various installations.