Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)
Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)
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Kroil

Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)

5 stars out of 1075 reviews
(5.0)|
1,075 ratings
Kroil Original Penetrating Oil (Aerosol Spray-13oz Can-Case of 4), Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts, Rust, Corrosion Inhibitor (AZKS132C4)Kroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant 4 Pack KS132CKroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant 6 Pack KS132CKroil Original Penetrant Aerosol 13oz Can Aerokroil FormulaKroil 13 Oz Penetrant Original formerly known as AeroKroil Penetrating Oil Aerosol Multipurpose Penetrant Case of 12 Cans KS132CKROIL Penetrating Oil Aerokroil 16 5 oz Aerosol Pack of 12 Industrial Grade Penetrating Solvent and LubricantKroil Original Penetrant Aerosol 16 5oz Can Aerokroil Formula
Size:13 Oz - 4 Pack-Out of stock

Key item features

  • Trusted Penetrant: Kroil Original Penetrating Oil is a trusted name among professionals for various industries, known for its strong reputation.
  • Deep Penetration: This penetrant effectively reaches tight spaces, small openings, threads, and crevices, making it suitable for seized bolts, chains, and hinges.
  • Simplifies Repairs: Kroil loosens tough rusted parts quickly, reducing the torque needed to free seized nuts and bolts, thereby simplifying repair tasks.
  • Corrosion Combatant: It actively removes and prevents rust, cleans carbon deposits, and penetrates rusty components, while also displacing moisture, humidity, and saltwater.
  • American Made: Kroil brand and Kano Laboratories, founded in 1939, produce this penetrant in the USA, employing American workers.
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Current price is $114.00$28.50/count
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5 out of 5 stars
stars1,075 ratings1,066 reviews
How item rating is calculated
  1. 5 stars98% (1,058)
  2. 4 stars1% (11)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star1% (6)

Reviews summary

Pros
  • : Has a non-objectionable scent.
  • : Works well for loosening rusted parts.
  • : Quickly loosens rusted and seized metal fasteners.
  • : Enables quick equipment and machinery repair.
  • : Trusted by professionals in various industries.
  • : Penetrates and breaks down stuck parts.
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Showing 1-3 of 1,066 reviews

Jun 22, 2025
Talmadge
Sold byElectronic Inventory Online, Inc.Delivered byWalmart
5 out of 5 stars review

Verified Purchase

Great product. Needed it to break loose seized brake lines. This was the only thing that worked.

Helpful?3ZRQM175JTY01352292195
Nov 19, 2025
Chris44
5 out of 5 stars review

The best!

I started using Kroil when I began my career in aircraft maintenance 15 years ago. I now work in manufacturing and always keep a can in my toolbox. It is hands down the best penetrant on the market. Works better with heat! I love the smell and I love how great it works. I miss the name but it still works as well as it always has! Thanks, Kroil!

Review from kroil
Helpful?3ZRQM175JTY01352292195
Jan 12, 2026
Woody06
5 out of 5 stars review

A miracle worker

So on a pipeline jobsite I worked on in virginia I was a mechanic helper and no matter the application I thought it was silly to use a lubricant so much I was quick to judge never using it and I couldn't have been more wrong about it kroil is a true miracle worker at what it does

Review from kroil
Helpful?3ZRQM175JTY01352292195