Permatex Medium Strength Threadlocker Blue, part number 24200, is an all-purpose thread-locking compound suited for nut and bolt applications from 1/4 inch to 3/4 inch (6mm to 20mm). It locks and seals fasteners while preventing loosening caused by vibration, and it protects threads from corrosion. Cured assemblies remain serviceable, parts can be removed using standard hand tools, eliminating the need to stock lock nuts and lock washers. The compound conforms to ASTM D 5363 AN0321 (Mil-S-46163A, Type II, Grade N) and is OEM specified for a broad range of applications. Call us to confirm proper fit for your application.

OEM specified. All-purpose, medium strength threadlocker. Ideal for all nut and bolt applications 1/4″ to 3/4″ (6mm to 20mm). Eliminates need for stocking expensive lock nuts and lock washers. Locks and seals while preventing parts loosening due to vibration. Protects threads from corrosion. Removable with hand tools for easy disassembly. Conforms to ASTM D 5363 AN0321 (Mil-S-46163A, Type II, Grade N).