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Kroil Original Penetrating Oil (Aerosol Spray-10oz Can-Single) | Penetrant for Rusted Bolts, Metal, Hinges, Chains, Moving Parts | Rust, Corrosion Inhibitor (KS102)

4.8 4.8 out of 5 stars 3,082 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Industrial Lubricants by KROIL
$25.99 $2.60 per Ounce
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Aerosol 10oz
1 Pack Single
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Purchase options and add-ons

Material Metal
Brand KROIL
Package Information Bottle
Liquid Volume 10 Fluid Ounces
Item Weight 10 Ounces

About this item

  • Kano Aerokroil Penetrating Oil,oz. aerosol (AEROKROIL)
  • Displaces water, provides lubrication and prevents rust.
  • Removes grease, grime, gunk, gum, tar, sap, sticky residue, sticker residue, and other sticky stuff from multiple surfaces
  • Dissolves gum, dried grease, and oilwithout attacking the metal.

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Product details

  • Is Discontinued By Manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 4 x 4 x 8 inches; 10 ounces
  • Item model number ‏ : ‎ KS102
  • National Stock Number ‏ : ‎ 9150-00-905-1387
  • Date First Available ‏ : ‎ July 7, 2004
  • Manufacturer ‏ : ‎ Kano Laboratories LLC
  • ASIN ‏ : ‎ B000F09CEA
  • Country of Origin ‏ : ‎ USA
  • Customer Reviews:
    4.8 4.8 out of 5 stars 3,082 ratings

Product Description

garage door lubricant spray, bolt buster, door hinge lubricant, penetrating oil, chain lube spray
penetrating oil spray, industrial lubricants, freeze off penetrant, rust loosener
free all, ballistol, white lithium grease, anti seize thread lubricant, liquid wrench

free all, ballistol, white lithium grease, anti seize thread lubricant, liquid wrench
Gets in Tight Spaces

Kroil penetrating lubricants penetrate tight spaces and small openings to loosen stuck threads.

  • Penetrates Quickly
  • Attacks Corrosion
  • Helps Remove Rust and Carbon Deposits
  • Simplifies Repairs

Industrial Strength Penetrating Oil

Quickly Loosens Rusted Nuts and Bolts

Loosen frozen metal parts the professional way, with Kroil Original Penetrant in liquid and aerosol (formerly AeroKroil) formulas. Discover why Kroil has been trusted to help loosen bolts in various applications since 1939.

  • Rusted Bolts
  • Rusted Metal
  • Bike Chains
  • Motorcycle Chains
  • Garage Door Rollers
  • Door Hinges
  • Moving Parts

oil can pump oiler, industrial sealants & lubricants, blaster silicone lubricant 11 oz, antirust

oil can pump oiler, industrial sealants & lubricants, blaster silicone lubricant 11 oz, antirust

oil can pump oiler, industrial sealants & lubricants, blaster silicone lubricant 11 oz, antirust

floway, kroil, grease cutting solvent, degreaser, grease cleaner

Quickly Penetrates Threads and Crevices

Tight spaces are no problem, because Kroil penetrates threads or crevices to break down rust and unstick seized bolts. So, whether you’re lubricating dirt bike motorcycle chains, rusty old door hinges, or stubborn garage door rollers, Kroil isn’t afraid to get in tight spots and get dirty.

Magnifies Muscle

When tackling the toughest nuts and bolts, any additional leverage helps. Kroil loosens tough rusted parts quickly, requiring less torque to loosen. Now that’s leverage!

Attacks Corrosion

Corrosion meets its match, as Kroil removes and prevents rust, cleans carbon deposits and lubricates rusty parts.

Breaks Down Carbon Deposits

Kroil not only breaks down rust, but also carbon deposits and other buildup that can seize metal parts.

made in usa, made in America, us manufacturing, Nashville, chicago, american made
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Kroil Original Penetrating Oil Kroil Penetrant with Silicone Kroil Penetrant with Graphite Microil Precision Drip Oil Lubricant Pyrolube High Temperature Lubricating Grease Pyrolube High Temperature Lubricating Oil
See Details
Customer Reviews
4.8 out of 5 stars
3,082
4.8 out of 5 stars
1,321
5.0 out of 5 stars
5
4.4 out of 5 stars
30
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Price $25.99 $33.99 — $26.34 $369.99 $369.99
Unique Feature Industry Leading Formula Silicone for Superior Penetration Graphite for Long-Lasting Lubrication Drip Oil for Precision Instruments Lubricating Grease for High-Temps Lubricating Oil for High-Temps
Penetrating Oil ✓ ✓ ✓
Industrial Lubricant ✓ ✓ ✓

What's in the box

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    Customer reviews

    4.8 out of 5 stars
    4.8 out of 5
    3,082 global ratings

    Customers say

    Customers like the quality, performance, and rust of the machine lubricant. They mention that it's better than any spray lubrating oil, works amazingly to loosen bolts, and is the best for loosening nuts and bolts that have been corroded. They also say it does a great job desolving rust that is causing stuck bolts. However, some customers differ on value.

    AI-generated from the text of customer reviews

    355 customers mention338 positive17 negative

    Customers are satisfied with the quality of the lubricant. They mention that it works better than any spray lube they've ever used, it's the best for loosening nuts and bolts that have been corroded, and it'll break things loose.

    "This is some great penetrating oil!..." Read more

    "Penetrates very effectively on my very rusty project's which is mostly antique farm machinery" Read more

    "Perfect for loosening bolts on a 70 year old car. Works every time" Read more

    "...But this stuff - they spun off like brand new. It evens works faster than I expected - doesn't really require much soaking time to get in..." Read more

    205 customers mention182 positive23 negative

    Customers like the performance of the machine lubricant. They say it works extremely well, admirably, and performs its share of miracles. Some mention that it works on everything and that it's amazing.

    "Using this item is great, and it works well. Would purchase again, when I run out." Read more

    "Perfect for loosening bolts on a 70 year old car. Works every time" Read more

    "...That said, it worked like a champ...." Read more

    "...Excellent product, yes its a bit expensive but it does its job very very well. Don't hesitate to purchase it." Read more

    88 customers mention71 positive17 negative

    Customers like the rust-fighting capabilities of the lubricant. They say it does a great job desolving rust and loosening rusted items. Some say that it's the best rust buster available and that cleaning is easy. They are impressed with how quickly it penetrates rusty bolts and that it loosens them in a fraction of the time.

    "...several years... A little goes a long way, and it does a great job of freeing rusted bolts." Read more

    "Best lubricant for breaking rusted or seized nuts and bolts I've ever used. Sorry it's not available for sale in any retail stores I know of." Read more

    "Works great and makes your garage smell like its supposed to. Destroyed rust on bolts on my Jeep I’m sure I would have been in trouble without it" Read more

    "...It even loosened the rust to the point that rubbing it with a rag even cleaned the surface up...." Read more

    132 customers mention62 positive70 negative

    Customers have mixed opinions about the value of the machine lubricant. Some say it's worth what you pay for, while others say it’s expensive and a can will last 10 years if used correctly.

    "...It is definitely good value for the money, and the size of the can is adequate for multiple applications whilst being easy to use and handle!" Read more

    "...deal as it made me shoot the bolts at long distance and I wasted a lot of overspray...." Read more

    "...Best penetrating oil & lube out there. I'm sold on this stuff. Great buying experience." Read more

    "Breaking loose corrosion frozen fasteners can be a nightmare. This Kroil is expensive, yes, but it works far better than ANYTHING I've used in my..." Read more

    Everyone recommends
    5 Stars
    Everyone recommends
    Used this to lubricate my hardtop convertibles moving components.
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    Top reviews from the United States

    Kenneth
    5.0 out of 5 stars Great penetrating oil!
    Reviewed in the United States on April 25, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    This is some great penetrating oil! Unfortunately it did not work for me on removing a seized oxygen sensor, but I don’t expect any kind of oil to have worked for this particular problem part. I’m glad to have this stuff for any future issues I may encounter though. It is definitely good value for the money, and the size of the can is adequate for multiple applications whilst being easy to use and handle!
    One person found this helpful
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    Happy customer! :-)
    5.0 out of 5 stars The best nut buster I know
    Reviewed in the United States on May 8, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    I have used Kroil to break loose stuck, frozen, rusted nuts and bolts since the late 60's. This product WORKS!
    Helpful
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    Rhode Island Pipus
    5.0 out of 5 stars Works
    Reviewed in the United States on April 17, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Used it to free up a frozen vintage sewing machine. I was having trouble with a needle bar gummed up with decades of old lubricant and Kroil (plus my trusty hair dryer) freed it up. I would use it in a well ventilated area as the fumes are strong.
    Helpful
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    Mark
    5.0 out of 5 stars Outstanding
    Reviewed in the United States on April 30, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Best lubricant for breaking rusted or seized nuts and bolts I've ever used. Sorry it's not available for sale in any retail stores I know of.
    Helpful
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    CD
    5.0 out of 5 stars Best penetrating oil ever!
    Reviewed in the United States on April 25, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Been using this stuff for several years... A little goes a long way, and it does a great job of freeing rusted bolts.
    Helpful
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    Cricket
    4.0 out of 5 stars Never Used Better
    Reviewed in the United States on December 11, 2023
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Restoring a 35 year old Mustang GT and had to replace the old headers. The bolts were seized up good. Was going to WD40 them for several days and have another go when I heard about this stuff. Took a chance and the first thing I found - at the cost of a star - was that the application straw did not fit the nozzle and none of my other straws would, either. This is a pretty big deal as it made me shoot the bolts at long distance and I wasted a lot of overspray. Working on several things at once and this made everything wet, which is not appreciated.

    That said, it worked like a champ. I've been a back yard mechanic since the '70s and have used everything - oil penetrants like WD, liquid wrench, the torch - and burned up a lot of time and sweat - old cars require bloody knuckle mechanics. But this stuff - they spun off like brand new. It evens works faster than I expected - doesn't really require much soaking time to get in there.

    It'd be five stars but for that blasted straw. Seems a pretty amateur mistake for such a good product. But, mess, expense and all - I'm a customer for life.
    5 people found this helpful
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    RW Mears
    5.0 out of 5 stars GREAT PRODUCT
    Reviewed in the United States on April 29, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Using this item is great, and it works well. Would purchase again, when I run out.
    Helpful
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    Joyce Devolve
    5.0 out of 5 stars Penetrant
    Reviewed in the United States on April 11, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Product has a great history for helping to get rusty
    Parts apart
    Helpful
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    Top reviews from other countries

    Roseanne Lewis
    5.0 out of 5 stars Worked like a charm
    Reviewed in Canada on June 5, 2023
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    This item does what it says. Excellent product
    Report
    Defender
    5.0 out of 5 stars Fabulous stuff
    Reviewed in the United Kingdom on January 13, 2024
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Really good penetrating powers, as you would hope for the price
    Report
    Parkc
    5.0 out of 5 stars Great product
    Reviewed in Canada on March 26, 2022
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    Works like a damn. Nothing compares to this product. Little pricey but you get what you pay for.
    Report
    V. Everett
    5.0 out of 5 stars excellent.
    Reviewed in the United Kingdom on September 20, 2021
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    This stuff really works.
    Report
    Jon Ho
    5.0 out of 5 stars This stuff works. It’s the best product for KRAWLING into rusted bolts.
    Reviewed in Canada on November 9, 2023
    Size: Aerosol 10ozColor: 1 Pack SingleVerified Purchase
    I like product
    Report