LOCTITE® 243 Blue, medium strength, primerless threadlocker

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LOCTITE® 243 is a blue, general purpose threadlocker that provides a medium strength bond. It works on all metals, including passive substrates, such as stainless steel, aluminum a nd plated surfaces, without the use of a primer. Suitable for use on most oil-coated, "as-received" fasteners without cleaning. Show more