Permatex 1.22 Oz. Medium Strength Blue Threadlocker is a reliable and versatile solution designed for various nut and bolt applications. This medium-strength blue thread locker, OEM specified as 242, provides effective locking and sealing properties, making it i for fasteners ranging from 1/4 inch to 3/4 inch (6mm to 20mm). By using this threadlocker, you can eliminate the need to stock expensive lock nuts and lock washers, simplifying your inventory management. It locks and seals fasteners while preventing parts from loosening due to vibration, ensuring your assemblies remain secure and dependable over time. Additionally, it protects threads from corrosion, extending the lifespan of your fasteners and components. Suggested applications include valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, and carburetor studs. With its combination of reliability and versatility, this threadlocker is an essential addition to any toolkit for securing and sealing threaded fasteners. Model Number: 24240