Kroil is a legendary, industrial-strength penetrating oil used to loosen rusted, corroded, or seized metal parts. Trusted by mechanics and trades professionals since 1939, it is famous for its unique formula that creeps into the tightest crevices to dissolve rust without damaging metal.
Key Applications & Benefits
- Fast-Acting: Quickly breaks the bond of rust, carbon, and corrosion on stuck nuts, bolts, pulleys, and valves.
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Displaces Moisture: Drives out water and leaves a protective layer to prevent future rust.
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Material Safe: Works safely on all metals, rubber, plastics, and painted surfaces.
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Long Shelf Life: Unlike some penetrating sprays, the original formula does not expire, gum up, or harden over time.
