Permatex Threadlocker, Medium Strength, Blue, Automotive Grade

Service removable. Locks threaded fasteners against vibration loosening. Uses: valve core, water pump, and oil pan bolts. Ideal for fasteners 1/4 to 3/4 inches (6 to 20 mm) in size. Common applications: Machine tools and presses, pumps and compressor, mounting bolts, gear boxes. Applied before assembly.