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)
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)
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Kroil

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.
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Current price is $34.99$34.99/count
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Customer ratings & reviews

5 out of 5 stars
stars507 ratings507 reviews
How item rating is calculated
  1. 5 stars98% (498)
  2. 4 stars1% (6)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star1% (3)

Reviews summary

Pros

  • : Penetrates surfaces quickly and deeply.
  • : Has a non-overpowering fragrance.
  • : Removes rust and corrosion from metal surfaces.
  • : Nozzle allows for precise dispensing.
  • : Used on various types of doors and hinges.
  • : Effectively loosens rust on metal parts.
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Showing 1-3 of 507 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
Sep 17, 2025
Gumpster80
5 out of 5 stars review

The Greatest!!

I've been using this Kano for over 20 years and is the best penetrating oil I've ever used. Now with all of the newer products that Kano offers there's absolutely no need to have any other product on my shelf. Thank you for Kroil and the rest of your family products. Simply amazing. BK

Review from kroil
Helpful?4IX26WQAGIK51037673072
Sep 17, 2025
JDocean
5 out of 5 stars review

AWESOME PRODUCT!

AWESOME PRODUCT! I was introduced to SiliKroil when I was a mechanic for a janitorial suppy company. We worked on rusty, gummed up, wax encrusted floor machines. There was NOTHING that worked better than SiliKroil. I tried them all. SiliKroil is the best. I keep a can on my home workbench to this day.

Review from kroil
Helpful?4IX26WQAGIK51037673072