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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503 reviews with 5 stars.

6 reviews with 4 stars.

0 reviews with 3 stars.

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4 reviews with 1 star.

Overall Rating

5.0

395 out of 400 (99%) reviewers recommend this product

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Summary of Reviews

AI-generated from customer reviews, which 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...

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1 to 4 of 513 Reviews .

1 – 4 of 513 Reviews

Swampman79

New Iberia Louisiana

Review 1

5 out of 5 stars.

Works better than anything else I have used.

2 days ago

When I worked in the oil field for most of my life, and I tell you one thing.If it wouldn't be for crawl, I'd would have quit many of jobs. This stuff is like magic.I don't know what's in it.Don't much care, but y'all just keep doing what y'all doing cause.This stuff is amazing.I see.krawl is the best thing since slice bread.

Yes, I recommend this product.

Originally posted on kroil

Ole Sarge

S.C.

Review 1

5 out of 5 stars.

11 days ago

The best anti rust product I have ever used for years I had to buy it direct now it’s in stores…

Yes, I recommend this product.

Originally posted on kroil

DogDoc32

North Carolina, 28139

Review 1

1 out of 5 stars.

Bad product !

a month ago

I bought a case of Kroil and so far 7 do NOY spray !! Had 6now 7 in same case ?

Originally posted on kroil

Toymaker

Southeast pennsylvania

Review 1

5 out of 5 stars.

Great product !

a month ago

Yes, I recommend this product.

Originally posted on kroil

Kroil 10 oz. Penetrant with Silicone Aerosol

Kroil 10 oz. Penetrant with Silicone Aerosol

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Works better than anything else I have used.

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