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5.0 out of 5 stars. 519 reviews
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A woman outside with a dog

Kroil 10 oz. Penetrant with Silicone Aerosol

Kroil 10 oz. Penetrant with Silicone Aerosol

Item # 2324957

Stocked & Ready
Kroil Kroil 10 oz. Penetrant with Silicone Aerosol
Kroil Kroil 10 oz. Penetrant with Silicone Aerosol

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Kroil 10 oz. Penetrant with Silicone Aerosol

Item # 2324957

Stocked & Ready
Kroil Kroil 10 oz. Penetrant with Silicone Aerosol
Kroil Kroil 10 oz. Penetrant with Silicone Aerosol

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Grassland (franklin) TN

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The Original Penetrant since 1939, SILIKROIL, KROIL with Silicone aerosol is an industrial-strength penetrating oil formulated to quickly penetrate deep into small crevices. KROIL attacks rust and corrosion to help loosen frozen or seized metal fasteners such as nuts, bolts, screws, studs, hinges, tools, pulleys, chains or valves with the added benefits of silicone lubrication. Safe on all metals, it is ideal for stuck parts on cars, trucks, ATVs, fleet, farm and agriculture engines and equipment.

Corrosion Meets its Match

  • FAST-ACTING: penetrates small openings, threads and crevices
  • PRO GRADE: trusted by the professionals
  • SIMPLIFIES REPAIRS, MAGNIFIES MUSCLE: gives you all the leverage you need for those stubborn jobs
  • APPLICATIONS: Use on nuts, bolts, studs, screws, pulleys, shafts, valves, chains, tools, bearings, and any corroded threads or seized metal fasteners

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Reviews

Rating Snapshot

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509 reviews with 5 stars.
6 reviews with 4 stars.
0 reviews with 3 stars.
0 reviews with 2 stars.
4 reviews with 1 star.

Overall Rating

5.0
400 out of 405 (99%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer ratings & reviews, and may include incentivized reviews.
The product is a highly effective penetrating oil that quickly breaks through rust and corrosion, allowing users to easily free up stuck, seized parts and fasteners across a wide range of applications. Customers praise its superior penetrating power, reporting it outperforms other leading brands. Th...
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1 to 4 of 519 Reviews .
1 – 4 of 519 Reviews
Tennessee
Review 1

Hood hinges that rust and stick but can be fixed.

14 days ago
Have several Toyota Camrys, 2010 and 2012 hood hinges freeze or rust up and have to be replaced as I was told at 800-1000 parts and labor, bought some of your product spray and soaked the hinges down and the next day they both opened and closed plus realigned perfectly, very impressive, have recommended to all of my friends.

Yes, I recommend this product.

Originally posted on kroil

Parrish Florida
Review 1

used on everything that has rusty tool joints U.

17 days ago
The very best for rusty nuts and bolts and anything that's difficult to loosen

Yes, I recommend this product.

Originally posted on kroil

Newark Nj
Review 1

Best on the market, out performs everyone else by

21 days ago
I've used Kroil since 1995. I've never found anything that performs anywhere close. I've ever managed to convince a British Engineer that its better than anything here or there, he now agrees.

Yes, I recommend this product.

Originally posted on kroil

Walker, La. 70785
Review 1

Greatest!

a month ago
I have been a loyal customer since 1981. This is the king of rusted nuts, bolts and whatever is corroded. The Best.

Originally posted on kroil