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Kroil Penetrating Oil

Item #43380 Kroil

Quickly loosens rusted nuts, bolts; dissolves rust, lubricates, cleans
  1. AeroKroil 16.5 oz Aerosol
    Item #50044Z
    Only $27.99

    In stock

  2. Kroil 1 gallon
    Item #43380
    Only $94.99

    Out of stock



Kroil Penetrating Oil loosens "frozen" metal parts Stubborn rusted hardware is no match for Kroil Penetrating Oil! It's the best way to "unfreeze" stubborn rusted hardware and fasteners.
  • Quickly loosens rusted nuts and bolts
  • Frees frozen shafts, pulleys, etc.
  • Dissolves rust, lubricates, cleans and prevents future rust
  • Penetrates spaces as minuscule as 1-millionth of an inch

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About Kroil Penetrating Oil

Displaces moisture too. For easy, accurate application, pour Kroil into your pump-spray bottle.


43381Z Sili-Kroil Aerosol, 16.5-oz.

MSDS Sheet

Click Here for Material Safety Data Sheet

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