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5.0 out of 5 stars. 516 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 # 232495799

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 # 232495799

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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506 reviews with 5 stars.
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4 reviews with 1 star.

Overall Rating

5.0
397 out of 402 (99%) reviewers recommend this product

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1 to 4 of 516 Reviews .
1 – 4 of 516 Reviews
Walker, La. 70785
Review 1

Greatest!

6 days 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

Brazil indiana
Review 1

Good stuff

a month ago
I bout a 13 ounce can of this stuff to try out and it works really well for loosening rusty bolts

Yes, I recommend this product.

Originally posted on kroil

Clarksville Tennessee
Review 1

Great for removing rusted parts that are seized.

3 months ago
I’ve been using Kroil for over 30 years and it’s the best on the market!

Yes, I recommend this product.

Originally posted on kroil

New Iberia Louisiana
Review 1

Works better than anything else I have used.

3 months 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