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Hero image 0 of Kroil Penetrating Oil with Silicone (Aerosol Spray-16.5oz Can-Case of 12), Penetrant for Rusted Bolts, Metal, Lubricant for Hinges, Chains, Moving Parts (SK162C), 0 of 6
Kroil Penetrating Oil with Silicone (Aerosol Spray-16.5oz Can-Case of 12), Penetrant for Rusted Bolts, Metal, Lubricant for Hinges, Chains, Moving Parts (SK162C)
Key item features
- Trusted Penetrant: Kroil Original Penetrating Oil is a professional-grade solution, widely recognized in various industries for its effectiveness in loosening stuck parts.
- Enhanced Penetration: Formulated with silicone, this oil offers superior penetration into tight spaces, breaking rust bonds and providing lubrication at a molecular level for seized components.
- Effortless Repairs: It significantly simplifies the loosening of tough nuts and bolts, reducing the torque required and providing leverage for challenging repairs.
- Corrosion Defense: The silicone-enhanced formula attacks corrosion, cleans carbon deposits, and lubricates rusty parts, while also displacing moisture to protect against humidity and saltwater.
- Moisture Displacement: Its ability to displace moisture and protect against humidity and saltwater makes it particularly suitable for marine, boating, and fishing applications.
- American Made: Kroil products, including this penetrating oil, are manufactured in the USA by Kano Laboratories, a company founded in 1939.
Generated by AI
Specs
- Machine & tool lubricant typePenetrating Lubricant
- BrandKroil
- Container typeCan
- Cleanser formSprays
- Size16.5 oz
- Vehicle fitment typeUniversal
Reviews summary
Pros
- : Provides lubrication for an extended period.
- : Has a non-overpowering fragrance.
- : Removes rust and corrosion from metal surfaces.
- : Loosens stuck or corroded parts effectively.
- : Effectively loosens rust on metal parts.
Generated by AI
Current price is USD$34.99$34.99/count
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About this item
Product details
Loosen frozen metal parts the professional way, with Kroil Original Penetrant in liquid and aerosol (Aerokroil) formulas. Discover why Kroil has been trusted to help loosen bolts in various applications since 1939.
- Trusted Name in The Penetrating Oils – Kroil Original Penetrating Oil from Kano Laboratories has a strong reputation among professionals as the trusted penetrating oil for any industry
- Superior Penetration With Silicone – The addition of silicone to Kroil results in superior penetration and extra lubrication for stuck parts. This high solvency oil penetrates tight spaces to break the bonds of rust, and provide lubrication at the molecular level
- Simplifies Repairs, Magnifies Muscle – When tackling the toughest nuts and bolts, any additional leverage helps. Kroil loosens tough rusted parts fast, and requires less torque to loosen seized nuts and bolts. Now that’s leverage
- Attacks Corrosion, Displaces Moisture – Corrosion meets its match, as Kroil with Silicone penetrates rust, cleans carbon deposits and lubricates rusty parts. Our silicone lubricant also displaces moisture and protects against humidity and salt water, which makes it perfect for marine, boating and fishing applications
- Made In The USA With Global Packaging – Kroil brand and Kano Laboratories were founded in Chicago, Illinois, USA in 1939 by Thomas J. O’Kane. Now located in Nashville, Tennessee, USA, we take pride in employing American workers to produce the highest quality penetrants right here in the USA
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Specifications
Machine & tool lubricant type
Penetrating Lubricant
Brand
Kroil
Container type
Can
Cleanser form
Sprays
Warranty
Warranty information
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Warnings
WARNING: WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Provides lubrication for an extended period.
- : Has a non-overpowering fragrance.
- : Removes rust and corrosion from metal surfaces.
- : Loosens stuck or corroded parts effectively.
- : Effectively loosens rust on metal parts.
Generated by AI
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Showing 1-3 of 497 reviews
Nov 4, 2025
Joeski62
5 out of 5 stars review
Brake Chamber Nut Rusted On
I'm a diesel mechanic, so we have a lot of knuckle busters. I'm down here in Houston, and a tractor-trailer came in with a brake chamber problem. This driver runs north and south, encountering snow, salt, and a lot of rust. One of the nuts that holds the chamber on wouldn't move, so I got out the Kroil penetrant with silicone and sprayed the nut down, letting it soak in. I put the impact on it, and it freed the nut right up. Kroil penetrant/silicone is truly a life saver.
Review from kroil
Helpful?4IX26WQAGIK51037673072
Jan 6, 2026
JohnA
5 out of 5 stars review
Best stuff ever!
My brother and I had used Kroil for years and when Silikroil hit the market we began using that. This is fantastic stuff and worked when nothing else did. Now in my mid-70s, I don't use it as often as previously, but there's still a can in my garage waiting for it's call to duty. I can't recommnend this stuff strongly enough.
Review from kroil
Helpful?4IX26WQAGIK51037673072
Jan 8, 2026
T-RAVVV
5 out of 5 stars review
Works amazing and smells good too.
Hands down the best penetration I've ever used! I've never had a bolt not brake loose. May have to apply one or two applications, but who doesn't have the patience for that versus tapping out a broken bolt and wasting a whole day. 10 out of 10 product review
Review from kroil
Helpful?4IX26WQAGIK51037673072
